1990207440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:120

約数の個数: 480

約数和(自身を含む): 7842831360

約数和(自身を除く): 5852623920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 31, 36, 38, 39, 40, 45, 48, 52, 57, 60, 62, 65, 72, 76, 78, 80, 90, 93, 95, 104, 114, 117, 120, 124, 130, 144, 152, 155, 156, 171, 180, 186, 190, 195, 208, 228, 234, 240, 247, 248, 260, 279, 285, 304, 310, 312, 342, 360, 361, 372, 380, 390, 403, 456, 465, 468, 494, 496, 520, 558, 570, 585, 589, 620, 624, 684, 720, 722, 741, 744, 760, 780, 806, 855, 912, 930, 936, 988, 1040, 1083, 1116, 1140, 1170, 1178, 1209, 1235, 1240, 1368, 1395, 1444, 1482, 1488, 1520, 1560, 1612, 1710, 1767, 1805, 1860, 1872, 1976, 2015, 2166, 2223, 2232, 2280, 2340, 2356, 2418, 2470, 2480, 2736, 2790, 2888, 2945, 2964, 3120, 3224, 3249, 3420, 3534, 3610, 3627, 3705, 3720, 3952, 4030, 4332, 4446, 4464, 4560, 4680, 4693, 4712, 4836, 4940, 5301, 5415, 5580, 5776, 5890, 5928, 6045, 6448, 6498, 6840, 6859, 7068, 7220, 7254, 7410, 7440, 7657, 8060, 8664, 8835, 8892, 9360, 9386, 9424, 9672, 9880, 10602, 10830, 11115, 11160, 11191, 11780, 11856, 12090, 12996, 13680, 13718, 14079, 14136, 14440, 14508, 14820, 15314, 16120, 16245, 17328, 17670, 17784, 18135, 18772, 19344, 19760, 20577, 21204, 21660, 22230, 22320, 22382, 22971, 23465, 23560, 24180, 25992, 26505, 27436, 28158, 28272, 28880, 29016, 29640, 30628, 32240, 32490, 33573, 34295, 35340, 35568, 36270, 37544, 38285, 41154, 42237, 42408, 43320, 44460, 44764, 45942, 46930, 47120, 48360, 51984, 53010, 54872, 55955, 56316, 58032, 59280, 61256, 61731, 64980, 67146, 68590, 68913, 70395, 70680, 72540, 75088, 76570, 82308, 84474, 84816, 86640, 88920, 89167, 89528, 91884, 93860, 96720, 100719, 102885, 106020, 109744, 111910, 112632, 114855, 122512, 123462, 129960, 134292, 137180, 137826, 140790, 141360, 145080, 145483, 153140, 164616, 167865, 168948, 177840, 178334, 179056, 183768, 187720, 201438, 205770, 211185, 212040, 212629, 223820, 225264, 229710, 246924, 259920, 267501, 268584, 274360, 275652, 281580, 290160, 290966, 306280, 308655, 329232, 335730, 337896, 344565, 356668, 367536, 375440, 402876, 411540, 422370, 424080, 425258, 436449, 445835, 447640, 459420, 493848, 503595, 535002, 537168, 548720, 551304, 563160, 581932, 612560, 617310, 637887, 671460, 675792, 689130, 713336, 727415, 802503, 805752, 823080, 844740, 850516, 872898, 891670, 895280, 918840, 987696, 1007190, 1063145, 1070004, 1102608, 1126320, 1163864, 1234620, 1275774, 1309347, 1337505, 1342920, 1378260, 1426672, 1454830, 1605006, 1611504, 1646160, 1689480, 1701032, 1745796, 1783340, 1837680, 1913661, 2014380, 2126290, 2140008, 2182245, 2327728, 2469240, 2551548, 2618694, 2675010, 2685840, 2756520, 2764177, 2909660, 3189435, 3210012, 3378960, 3402064, 3491592, 3566680, 3827322, 4012515, 4028760, 4252580, 4280016, 4364490, 4938480, 5103096, 5237388, 5350020, 5513040, 5528354, 5819320, 6378870, 6420024, 6546735, 6983184, 7133360, 7654644, 8025030, 8057520, 8292531, 8505160, 8728980, 9568305, 10206192, 10474776, 10700040, 11056708, 11638640, 12757740, 12840048, 13093470, 13820885, 15309288, 16050060, 16585062, 17010320, 17457960, 19136610, 20949552, 21400080, 22113416, 24877593, 25515480, 26186940, 27641770, 30618576, 32100120, 33170124, 34915920, 38273220, 41462655, 44226832, 49755186, 51030960, 52373880, 55283540, 64200240, 66340248, 76546440, 82925310, 99510372, 104747760, 110567080, 124387965, 132680496, 153092880, 165850620, 199020744, 221134160, 248775930, 331701240, 398041488, 497551860, 663402480, 995103720, 1990207440]

約数ペア:

[(1, 1990207440), (2, 995103720), (3, 663402480), (4, 497551860), (5, 398041488), (6, 331701240), (8, 248775930), (9, 221134160), (10, 199020744), (12, 165850620), (13, 153092880), (15, 132680496), (16, 124387965), (18, 110567080), (19, 104747760), (20, 99510372), (24, 82925310), (26, 76546440), (30, 66340248), (31, 64200240), (36, 55283540), (38, 52373880), (39, 51030960), (40, 49755186), (45, 44226832), (48, 41462655), (52, 38273220), (57, 34915920), (60, 33170124), (62, 32100120), (65, 30618576), (72, 27641770), (76, 26186940), (78, 25515480), (80, 24877593), (90, 22113416), (93, 21400080), (95, 20949552), (104, 19136610), (114, 17457960), (117, 17010320), (120, 16585062), (124, 16050060), (130, 15309288), (144, 13820885), (152, 13093470), (155, 12840048), (156, 12757740), (171, 11638640), (180, 11056708), (186, 10700040), (190, 10474776), (195, 10206192), (208, 9568305), (228, 8728980), (234, 8505160), (240, 8292531), (247, 8057520), (248, 8025030), (260, 7654644), (279, 7133360), (285, 6983184), (304, 6546735), (310, 6420024), (312, 6378870), (342, 5819320), (360, 5528354), (361, 5513040), (372, 5350020), (380, 5237388), (390, 5103096), (403, 4938480), (456, 4364490), (465, 4280016), (468, 4252580), (494, 4028760), (496, 4012515), (520, 3827322), (558, 3566680), (570, 3491592), (585, 3402064), (589, 3378960), (620, 3210012), (624, 3189435), (684, 2909660), (720, 2764177), (722, 2756520), (741, 2685840), (744, 2675010), (760, 2618694), (780, 2551548), (806, 2469240), (855, 2327728), (912, 2182245), (930, 2140008), (936, 2126290), (988, 2014380), (1040, 1913661), (1083, 1837680), (1116, 1783340), (1140, 1745796), (1170, 1701032), (1178, 1689480), (1209, 1646160), (1235, 1611504), (1240, 1605006), (1368, 1454830), (1395, 1426672), (1444, 1378260), (1482, 1342920), (1488, 1337505), (1520, 1309347), (1560, 1275774), (1612, 1234620), (1710, 1163864), (1767, 1126320), (1805, 1102608), (1860, 1070004), (1872, 1063145), (1976, 1007190), (2015, 987696), (2166, 918840), (2223, 895280), (2232, 891670), (2280, 872898), (2340, 850516), (2356, 844740), (2418, 823080), (2470, 805752), (2480, 802503), (2736, 727415), (2790, 713336), (2888, 689130), (2945, 675792), (2964, 671460), (3120, 637887), (3224, 617310), (3249, 612560), (3420, 581932), (3534, 563160), (3610, 551304), (3627, 548720), (3705, 537168), (3720, 535002), (3952, 503595), (4030, 493848), (4332, 459420), (4446, 447640), (4464, 445835), (4560, 436449), (4680, 425258), (4693, 424080), (4712, 422370), (4836, 411540), (4940, 402876), (5301, 375440), (5415, 367536), (5580, 356668), (5776, 344565), (5890, 337896), (5928, 335730), (6045, 329232), (6448, 308655), (6498, 306280), (6840, 290966), (6859, 290160), (7068, 281580), (7220, 275652), (7254, 274360), (7410, 268584), (7440, 267501), (7657, 259920), (8060, 246924), (8664, 229710), (8835, 225264), (8892, 223820), (9360, 212629), (9386, 212040), (9424, 211185), (9672, 205770), (9880, 201438), (10602, 187720), (10830, 183768), (11115, 179056), (11160, 178334), (11191, 177840), (11780, 168948), (11856, 167865), (12090, 164616), (12996, 153140), (13680, 145483), (13718, 145080), (14079, 141360), (14136, 140790), (14440, 137826), (14508, 137180), (14820, 134292), (15314, 129960), (16120, 123462), (16245, 122512), (17328, 114855), (17670, 112632), (17784, 111910), (18135, 109744), (18772, 106020), (19344, 102885), (19760, 100719), (20577, 96720), (21204, 93860), (21660, 91884), (22230, 89528), (22320, 89167), (22382, 88920), (22971, 86640), (23465, 84816), (23560, 84474), (24180, 82308), (25992, 76570), (26505, 75088), (27436, 72540), (28158, 70680), (28272, 70395), (28880, 68913), (29016, 68590), (29640, 67146), (30628, 64980), (32240, 61731), (32490, 61256), (33573, 59280), (34295, 58032), (35340, 56316), (35568, 55955), (36270, 54872), (37544, 53010), (38285, 51984), (41154, 48360), (42237, 47120), (42408, 46930), (43320, 45942), (44460, 44764)]