18648240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 64162560

約数和(自身を除く): 45514320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 129, 130, 139, 156, 172, 195, 208, 215, 240, 258, 260, 278, 312, 344, 390, 417, 430, 516, 520, 556, 559, 624, 645, 688, 695, 780, 834, 860, 1032, 1040, 1112, 1118, 1290, 1390, 1560, 1668, 1677, 1720, 1807, 2064, 2085, 2224, 2236, 2580, 2780, 2795, 3120, 3336, 3354, 3440, 3614, 4170, 4472, 5160, 5421, 5560, 5590, 5977, 6672, 6708, 7228, 8340, 8385, 8944, 9035, 10320, 10842, 11120, 11180, 11954, 13416, 14456, 16680, 16770, 17931, 18070, 21684, 22360, 23908, 26832, 27105, 28912, 29885, 33360, 33540, 35862, 36140, 43368, 44720, 47816, 54210, 59770, 67080, 71724, 72280, 77701, 86736, 89655, 95632, 108420, 119540, 134160, 143448, 144560, 155402, 179310, 216840, 233103, 239080, 286896, 310804, 358620, 388505, 433680, 466206, 478160, 621608, 717240, 777010, 932412, 1165515, 1243216, 1434480, 1554020, 1864824, 2331030, 3108040, 3729648, 4662060, 6216080, 9324120, 18648240]

約数ペア:

[(1, 18648240), (2, 9324120), (3, 6216080), (4, 4662060), (5, 3729648), (6, 3108040), (8, 2331030), (10, 1864824), (12, 1554020), (13, 1434480), (15, 1243216), (16, 1165515), (20, 932412), (24, 777010), (26, 717240), (30, 621608), (39, 478160), (40, 466206), (43, 433680), (48, 388505), (52, 358620), (60, 310804), (65, 286896), (78, 239080), (80, 233103), (86, 216840), (104, 179310), (120, 155402), (129, 144560), (130, 143448), (139, 134160), (156, 119540), (172, 108420), (195, 95632), (208, 89655), (215, 86736), (240, 77701), (258, 72280), (260, 71724), (278, 67080), (312, 59770), (344, 54210), (390, 47816), (417, 44720), (430, 43368), (516, 36140), (520, 35862), (556, 33540), (559, 33360), (624, 29885), (645, 28912), (688, 27105), (695, 26832), (780, 23908), (834, 22360), (860, 21684), (1032, 18070), (1040, 17931), (1112, 16770), (1118, 16680), (1290, 14456), (1390, 13416), (1560, 11954), (1668, 11180), (1677, 11120), (1720, 10842), (1807, 10320), (2064, 9035), (2085, 8944), (2224, 8385), (2236, 8340), (2580, 7228), (2780, 6708), (2795, 6672), (3120, 5977), (3336, 5590), (3354, 5560), (3440, 5421), (3614, 5160), (4170, 4472)]