491508720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 360

約数和(自身を含む): 1827775872

約数和(自身を除く): 1336267152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 61, 62, 72, 76, 80, 90, 93, 95, 114, 120, 122, 124, 144, 152, 155, 171, 180, 183, 186, 190, 228, 240, 244, 248, 279, 285, 304, 305, 310, 342, 360, 361, 366, 372, 380, 456, 465, 488, 496, 549, 558, 570, 589, 610, 620, 684, 720, 722, 732, 744, 760, 855, 912, 915, 930, 976, 1083, 1098, 1116, 1140, 1159, 1178, 1220, 1240, 1368, 1395, 1444, 1464, 1488, 1520, 1710, 1767, 1805, 1830, 1860, 1891, 2166, 2196, 2232, 2280, 2318, 2356, 2440, 2480, 2736, 2745, 2790, 2888, 2928, 2945, 3249, 3420, 3477, 3534, 3610, 3660, 3720, 3782, 4332, 4392, 4464, 4560, 4636, 4712, 4880, 5301, 5415, 5490, 5580, 5673, 5776, 5795, 5890, 6498, 6840, 6954, 7068, 7220, 7320, 7440, 7564, 8664, 8784, 8835, 9272, 9424, 9455, 10431, 10602, 10830, 10980, 11160, 11191, 11346, 11590, 11780, 12996, 13680, 13908, 14136, 14440, 14640, 15128, 16245, 17019, 17328, 17385, 17670, 18544, 18910, 20862, 21204, 21660, 21960, 22021, 22320, 22382, 22692, 23180, 23560, 25992, 26505, 27816, 28272, 28365, 28880, 30256, 32490, 33573, 34038, 34770, 35340, 35929, 37820, 41724, 42408, 43320, 43920, 44042, 44764, 45384, 46360, 47120, 51984, 52155, 53010, 55632, 55955, 56730, 64980, 66063, 67146, 68076, 69540, 70680, 71858, 75640, 83448, 84816, 85095, 86640, 88084, 89528, 90768, 92720, 100719, 104310, 106020, 107787, 110105, 111910, 113460, 129960, 132126, 134292, 136152, 139080, 141360, 143716, 151280, 166896, 167865, 170190, 176168, 179056, 179645, 198189, 201438, 208620, 212040, 215574, 220210, 223820, 226920, 259920, 264252, 268584, 272304, 278160, 287432, 323361, 330315, 335730, 340380, 352336, 359290, 396378, 402876, 417240, 424080, 431148, 440420, 447640, 453840, 503595, 528504, 537168, 538935, 574864, 646722, 660630, 671460, 680760, 682651, 718580, 792756, 805752, 834480, 862296, 880840, 895280, 990945, 1007190, 1057008, 1077870, 1293444, 1321260, 1342920, 1361520, 1365302, 1437160, 1585512, 1611504, 1616805, 1724592, 1761680, 1981890, 2014380, 2047953, 2155740, 2586888, 2642520, 2685840, 2730604, 2874320, 3171024, 3233610, 3413255, 3963780, 4028760, 4095906, 4311480, 5173776, 5285040, 5461208, 6143859, 6467220, 6826510, 7927560, 8057520, 8191812, 8622960, 10239765, 10922416, 12287718, 12934440, 13653020, 15855120, 16383624, 20479530, 24575436, 25868880, 27306040, 30719295, 32767248, 40959060, 49150872, 54612080, 61438590, 81918120, 98301744, 122877180, 163836240, 245754360, 491508720]

約数ペア:

[(1, 491508720), (2, 245754360), (3, 163836240), (4, 122877180), (5, 98301744), (6, 81918120), (8, 61438590), (9, 54612080), (10, 49150872), (12, 40959060), (15, 32767248), (16, 30719295), (18, 27306040), (19, 25868880), (20, 24575436), (24, 20479530), (30, 16383624), (31, 15855120), (36, 13653020), (38, 12934440), (40, 12287718), (45, 10922416), (48, 10239765), (57, 8622960), (60, 8191812), (61, 8057520), (62, 7927560), (72, 6826510), (76, 6467220), (80, 6143859), (90, 5461208), (93, 5285040), (95, 5173776), (114, 4311480), (120, 4095906), (122, 4028760), (124, 3963780), (144, 3413255), (152, 3233610), (155, 3171024), (171, 2874320), (180, 2730604), (183, 2685840), (186, 2642520), (190, 2586888), (228, 2155740), (240, 2047953), (244, 2014380), (248, 1981890), (279, 1761680), (285, 1724592), (304, 1616805), (305, 1611504), (310, 1585512), (342, 1437160), (360, 1365302), (361, 1361520), (366, 1342920), (372, 1321260), (380, 1293444), (456, 1077870), (465, 1057008), (488, 1007190), (496, 990945), (549, 895280), (558, 880840), (570, 862296), (589, 834480), (610, 805752), (620, 792756), (684, 718580), (720, 682651), (722, 680760), (732, 671460), (744, 660630), (760, 646722), (855, 574864), (912, 538935), (915, 537168), (930, 528504), (976, 503595), (1083, 453840), (1098, 447640), (1116, 440420), (1140, 431148), (1159, 424080), (1178, 417240), (1220, 402876), (1240, 396378), (1368, 359290), (1395, 352336), (1444, 340380), (1464, 335730), (1488, 330315), (1520, 323361), (1710, 287432), (1767, 278160), (1805, 272304), (1830, 268584), (1860, 264252), (1891, 259920), (2166, 226920), (2196, 223820), (2232, 220210), (2280, 215574), (2318, 212040), (2356, 208620), (2440, 201438), (2480, 198189), (2736, 179645), (2745, 179056), (2790, 176168), (2888, 170190), (2928, 167865), (2945, 166896), (3249, 151280), (3420, 143716), (3477, 141360), (3534, 139080), (3610, 136152), (3660, 134292), (3720, 132126), (3782, 129960), (4332, 113460), (4392, 111910), (4464, 110105), (4560, 107787), (4636, 106020), (4712, 104310), (4880, 100719), (5301, 92720), (5415, 90768), (5490, 89528), (5580, 88084), (5673, 86640), (5776, 85095), (5795, 84816), (5890, 83448), (6498, 75640), (6840, 71858), (6954, 70680), (7068, 69540), (7220, 68076), (7320, 67146), (7440, 66063), (7564, 64980), (8664, 56730), (8784, 55955), (8835, 55632), (9272, 53010), (9424, 52155), (9455, 51984), (10431, 47120), (10602, 46360), (10830, 45384), (10980, 44764), (11160, 44042), (11191, 43920), (11346, 43320), (11590, 42408), (11780, 41724), (12996, 37820), (13680, 35929), (13908, 35340), (14136, 34770), (14440, 34038), (14640, 33573), (15128, 32490), (16245, 30256), (17019, 28880), (17328, 28365), (17385, 28272), (17670, 27816), (18544, 26505), (18910, 25992), (20862, 23560), (21204, 23180), (21660, 22692), (21960, 22382), (22021, 22320)]