278408520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 384

約数和(自身を含む): 1069286400

約数和(自身を除く): 790877880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 31, 36, 38, 39, 40, 45, 52, 57, 60, 62, 65, 72, 76, 78, 90, 93, 95, 101, 104, 114, 117, 120, 124, 130, 152, 155, 156, 171, 180, 186, 190, 195, 202, 228, 234, 247, 248, 260, 279, 285, 303, 310, 312, 342, 360, 372, 380, 390, 403, 404, 456, 465, 468, 494, 505, 520, 558, 570, 585, 589, 606, 620, 684, 741, 744, 760, 780, 806, 808, 855, 909, 930, 936, 988, 1010, 1116, 1140, 1170, 1178, 1209, 1212, 1235, 1240, 1313, 1368, 1395, 1482, 1515, 1560, 1612, 1710, 1767, 1818, 1860, 1919, 1976, 2015, 2020, 2223, 2232, 2280, 2340, 2356, 2418, 2424, 2470, 2626, 2790, 2945, 2964, 3030, 3131, 3224, 3420, 3534, 3627, 3636, 3705, 3720, 3838, 3939, 4030, 4040, 4446, 4545, 4680, 4712, 4836, 4940, 5252, 5301, 5580, 5757, 5890, 5928, 6045, 6060, 6262, 6565, 6840, 7068, 7254, 7272, 7410, 7657, 7676, 7878, 8060, 8835, 8892, 9090, 9393, 9595, 9672, 9880, 10504, 10602, 11115, 11160, 11514, 11780, 11817, 12090, 12120, 12524, 13130, 14136, 14508, 14820, 15314, 15352, 15655, 15756, 16120, 17271, 17670, 17784, 18135, 18180, 18786, 19190, 19695, 21204, 22230, 22971, 23028, 23560, 23634, 24180, 24947, 25048, 26260, 26505, 28179, 28785, 29016, 29640, 30628, 31310, 31512, 34542, 35340, 36270, 36360, 37572, 38285, 38380, 39390, 40703, 42408, 44460, 45942, 46056, 46965, 47268, 48360, 49894, 52520, 53010, 56358, 57570, 59085, 59489, 61256, 62620, 68913, 69084, 70680, 72540, 74841, 75144, 76570, 76760, 78780, 81406, 86355, 88920, 91884, 93930, 94536, 99788, 106020, 112716, 114855, 115140, 118170, 118978, 122109, 124735, 125240, 137826, 138168, 140895, 145080, 149682, 153140, 157560, 162812, 172710, 178467, 183768, 187860, 199576, 203515, 212040, 224523, 225432, 229710, 230280, 236340, 237956, 244218, 249470, 275652, 281790, 297445, 299364, 306280, 325624, 344565, 345420, 356934, 366327, 374205, 375720, 407030, 449046, 459420, 472680, 475912, 488436, 498940, 535401, 551304, 563580, 594890, 598728, 610545, 689130, 690840, 713868, 732654, 748410, 773357, 814060, 892335, 898092, 918840, 976872, 997880, 1070802, 1122615, 1127160, 1189780, 1221090, 1378260, 1427736, 1465308, 1496820, 1546714, 1628120, 1784670, 1796184, 1831635, 2141604, 2245230, 2320071, 2379560, 2442180, 2677005, 2756520, 2930616, 2993640, 3093428, 3569340, 3663270, 3866785, 4283208, 4490460, 4640142, 4884360, 5354010, 6186856, 6960213, 7138680, 7326540, 7733570, 8980920, 9280284, 10708020, 11600355, 13920426, 14653080, 15467140, 18560568, 21416040, 23200710, 27840852, 30934280, 34801065, 46401420, 55681704, 69602130, 92802840, 139204260, 278408520]

約数ペア:

[(1, 278408520), (2, 139204260), (3, 92802840), (4, 69602130), (5, 55681704), (6, 46401420), (8, 34801065), (9, 30934280), (10, 27840852), (12, 23200710), (13, 21416040), (15, 18560568), (18, 15467140), (19, 14653080), (20, 13920426), (24, 11600355), (26, 10708020), (30, 9280284), (31, 8980920), (36, 7733570), (38, 7326540), (39, 7138680), (40, 6960213), (45, 6186856), (52, 5354010), (57, 4884360), (60, 4640142), (62, 4490460), (65, 4283208), (72, 3866785), (76, 3663270), (78, 3569340), (90, 3093428), (93, 2993640), (95, 2930616), (101, 2756520), (104, 2677005), (114, 2442180), (117, 2379560), (120, 2320071), (124, 2245230), (130, 2141604), (152, 1831635), (155, 1796184), (156, 1784670), (171, 1628120), (180, 1546714), (186, 1496820), (190, 1465308), (195, 1427736), (202, 1378260), (228, 1221090), (234, 1189780), (247, 1127160), (248, 1122615), (260, 1070802), (279, 997880), (285, 976872), (303, 918840), (310, 898092), (312, 892335), (342, 814060), (360, 773357), (372, 748410), (380, 732654), (390, 713868), (403, 690840), (404, 689130), (456, 610545), (465, 598728), (468, 594890), (494, 563580), (505, 551304), (520, 535401), (558, 498940), (570, 488436), (585, 475912), (589, 472680), (606, 459420), (620, 449046), (684, 407030), (741, 375720), (744, 374205), (760, 366327), (780, 356934), (806, 345420), (808, 344565), (855, 325624), (909, 306280), (930, 299364), (936, 297445), (988, 281790), (1010, 275652), (1116, 249470), (1140, 244218), (1170, 237956), (1178, 236340), (1209, 230280), (1212, 229710), (1235, 225432), (1240, 224523), (1313, 212040), (1368, 203515), (1395, 199576), (1482, 187860), (1515, 183768), (1560, 178467), (1612, 172710), (1710, 162812), (1767, 157560), (1818, 153140), (1860, 149682), (1919, 145080), (1976, 140895), (2015, 138168), (2020, 137826), (2223, 125240), (2232, 124735), (2280, 122109), (2340, 118978), (2356, 118170), (2418, 115140), (2424, 114855), (2470, 112716), (2626, 106020), (2790, 99788), (2945, 94536), (2964, 93930), (3030, 91884), (3131, 88920), (3224, 86355), (3420, 81406), (3534, 78780), (3627, 76760), (3636, 76570), (3705, 75144), (3720, 74841), (3838, 72540), (3939, 70680), (4030, 69084), (4040, 68913), (4446, 62620), (4545, 61256), (4680, 59489), (4712, 59085), (4836, 57570), (4940, 56358), (5252, 53010), (5301, 52520), (5580, 49894), (5757, 48360), (5890, 47268), (5928, 46965), (6045, 46056), (6060, 45942), (6262, 44460), (6565, 42408), (6840, 40703), (7068, 39390), (7254, 38380), (7272, 38285), (7410, 37572), (7657, 36360), (7676, 36270), (7878, 35340), (8060, 34542), (8835, 31512), (8892, 31310), (9090, 30628), (9393, 29640), (9595, 29016), (9672, 28785), (9880, 28179), (10504, 26505), (10602, 26260), (11115, 25048), (11160, 24947), (11514, 24180), (11780, 23634), (11817, 23560), (12090, 23028), (12120, 22971), (12524, 22230), (13130, 21204), (14136, 19695), (14508, 19190), (14820, 18786), (15314, 18180), (15352, 18135), (15655, 17784), (15756, 17670), (16120, 17271)]