1040520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 128

約数和(自身を含む): 3628800

約数和(自身を除く): 2588280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 29, 30, 39, 40, 46, 52, 58, 60, 65, 69, 78, 87, 92, 104, 115, 116, 120, 130, 138, 145, 156, 174, 184, 195, 230, 232, 260, 276, 290, 299, 312, 345, 348, 377, 390, 435, 460, 520, 552, 580, 598, 667, 690, 696, 754, 780, 870, 897, 920, 1131, 1160, 1196, 1334, 1380, 1495, 1508, 1560, 1740, 1794, 1885, 2001, 2262, 2392, 2668, 2760, 2990, 3016, 3335, 3480, 3588, 3770, 4002, 4485, 4524, 5336, 5655, 5980, 6670, 7176, 7540, 8004, 8671, 8970, 9048, 10005, 11310, 11960, 13340, 15080, 16008, 17342, 17940, 20010, 22620, 26013, 26680, 34684, 35880, 40020, 43355, 45240, 52026, 69368, 80040, 86710, 104052, 130065, 173420, 208104, 260130, 346840, 520260, 1040520]

約数ペア:

[(1, 1040520), (2, 520260), (3, 346840), (4, 260130), (5, 208104), (6, 173420), (8, 130065), (10, 104052), (12, 86710), (13, 80040), (15, 69368), (20, 52026), (23, 45240), (24, 43355), (26, 40020), (29, 35880), (30, 34684), (39, 26680), (40, 26013), (46, 22620), (52, 20010), (58, 17940), (60, 17342), (65, 16008), (69, 15080), (78, 13340), (87, 11960), (92, 11310), (104, 10005), (115, 9048), (116, 8970), (120, 8671), (130, 8004), (138, 7540), (145, 7176), (156, 6670), (174, 5980), (184, 5655), (195, 5336), (230, 4524), (232, 4485), (260, 4002), (276, 3770), (290, 3588), (299, 3480), (312, 3335), (345, 3016), (348, 2990), (377, 2760), (390, 2668), (435, 2392), (460, 2262), (520, 2001), (552, 1885), (580, 1794), (598, 1740), (667, 1560), (690, 1508), (696, 1495), (754, 1380), (780, 1334), (870, 1196), (897, 1160), (920, 1131)]