18157360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 49014720

約数和(自身を除く): 30857360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 79, 80, 85, 104, 130, 136, 158, 169, 170, 208, 221, 260, 272, 316, 338, 340, 395, 442, 520, 632, 676, 680, 790, 845, 884, 1027, 1040, 1105, 1264, 1343, 1352, 1360, 1580, 1690, 1768, 2054, 2210, 2686, 2704, 2873, 3160, 3380, 3536, 4108, 4420, 5135, 5372, 5746, 6320, 6715, 6760, 8216, 8840, 10270, 10744, 11492, 13351, 13430, 13520, 14365, 16432, 17459, 17680, 20540, 21488, 22984, 26702, 26860, 28730, 34918, 41080, 45968, 53404, 53720, 57460, 66755, 69836, 82160, 87295, 106808, 107440, 114920, 133510, 139672, 174590, 213616, 226967, 229840, 267020, 279344, 349180, 453934, 534040, 698360, 907868, 1068080, 1134835, 1396720, 1815736, 2269670, 3631472, 4539340, 9078680, 18157360]

約数ペア:

[(1, 18157360), (2, 9078680), (4, 4539340), (5, 3631472), (8, 2269670), (10, 1815736), (13, 1396720), (16, 1134835), (17, 1068080), (20, 907868), (26, 698360), (34, 534040), (40, 453934), (52, 349180), (65, 279344), (68, 267020), (79, 229840), (80, 226967), (85, 213616), (104, 174590), (130, 139672), (136, 133510), (158, 114920), (169, 107440), (170, 106808), (208, 87295), (221, 82160), (260, 69836), (272, 66755), (316, 57460), (338, 53720), (340, 53404), (395, 45968), (442, 41080), (520, 34918), (632, 28730), (676, 26860), (680, 26702), (790, 22984), (845, 21488), (884, 20540), (1027, 17680), (1040, 17459), (1105, 16432), (1264, 14365), (1343, 13520), (1352, 13430), (1360, 13351), (1580, 11492), (1690, 10744), (1768, 10270), (2054, 8840), (2210, 8216), (2686, 6760), (2704, 6715), (2873, 6320), (3160, 5746), (3380, 5372), (3536, 5135), (4108, 4420)]