31538520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 115577280

約数和(自身を除く): 84038760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 195, 207, 230, 234, 260, 276, 293, 299, 312, 345, 360, 390, 414, 460, 468, 520, 552, 585, 586, 598, 690, 780, 828, 879, 897, 920, 936, 1035, 1170, 1172, 1196, 1380, 1465, 1495, 1560, 1656, 1758, 1794, 2070, 2340, 2344, 2392, 2637, 2691, 2760, 2930, 2990, 3516, 3588, 3809, 4140, 4395, 4485, 4680, 5274, 5382, 5860, 5980, 6739, 7032, 7176, 7618, 8280, 8790, 8970, 10548, 10764, 11427, 11720, 11960, 13185, 13455, 13478, 15236, 17580, 17940, 19045, 20217, 21096, 21528, 22854, 26370, 26910, 26956, 30472, 33695, 34281, 35160, 35880, 38090, 40434, 45708, 52740, 53820, 53912, 57135, 60651, 67390, 68562, 76180, 80868, 87607, 91416, 101085, 105480, 107640, 114270, 121302, 134780, 137124, 152360, 161736, 171405, 175214, 202170, 228540, 242604, 262821, 269560, 274248, 303255, 342810, 350428, 404340, 438035, 457080, 485208, 525642, 606510, 685620, 700856, 788463, 808680, 876070, 1051284, 1213020, 1314105, 1371240, 1576926, 1752140, 2102568, 2426040, 2628210, 3153852, 3504280, 3942315, 5256420, 6307704, 7884630, 10512840, 15769260, 31538520]

約数ペア:

[(1, 31538520), (2, 15769260), (3, 10512840), (4, 7884630), (5, 6307704), (6, 5256420), (8, 3942315), (9, 3504280), (10, 3153852), (12, 2628210), (13, 2426040), (15, 2102568), (18, 1752140), (20, 1576926), (23, 1371240), (24, 1314105), (26, 1213020), (30, 1051284), (36, 876070), (39, 808680), (40, 788463), (45, 700856), (46, 685620), (52, 606510), (60, 525642), (65, 485208), (69, 457080), (72, 438035), (78, 404340), (90, 350428), (92, 342810), (104, 303255), (115, 274248), (117, 269560), (120, 262821), (130, 242604), (138, 228540), (156, 202170), (180, 175214), (184, 171405), (195, 161736), (207, 152360), (230, 137124), (234, 134780), (260, 121302), (276, 114270), (293, 107640), (299, 105480), (312, 101085), (345, 91416), (360, 87607), (390, 80868), (414, 76180), (460, 68562), (468, 67390), (520, 60651), (552, 57135), (585, 53912), (586, 53820), (598, 52740), (690, 45708), (780, 40434), (828, 38090), (879, 35880), (897, 35160), (920, 34281), (936, 33695), (1035, 30472), (1170, 26956), (1172, 26910), (1196, 26370), (1380, 22854), (1465, 21528), (1495, 21096), (1560, 20217), (1656, 19045), (1758, 17940), (1794, 17580), (2070, 15236), (2340, 13478), (2344, 13455), (2392, 13185), (2637, 11960), (2691, 11720), (2760, 11427), (2930, 10764), (2990, 10548), (3516, 8970), (3588, 8790), (3809, 8280), (4140, 7618), (4395, 7176), (4485, 7032), (4680, 6739), (5274, 5980), (5382, 5860)]