487654440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44657}}^1$

素因数の和:44691

約数の個数: 128

約数和(自身を含む): 1800610560

約数和(自身を除く): 1312956120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 44657, 89314, 133971, 178628, 223285, 267942, 312599, 357256, 446570, 535884, 580541, 625198, 669855, 893140, 937797, 1071768, 1161082, 1250396, 1339710, 1562995, 1741623, 1786280, 1875594, 2322164, 2500792, 2679420, 2902705, 3125990, 3483246, 3751188, 4063787, 4644328, 4688985, 5358840, 5805410, 6251980, 6966492, 7502376, 8127574, 8708115, 9377970, 11610820, 12191361, 12503960, 13932984, 16255148, 17416230, 18755940, 20318935, 23221640, 24382722, 32510296, 34832460, 37511880, 40637870, 48765444, 60956805, 69664920, 81275740, 97530888, 121913610, 162551480, 243827220, 487654440]

約数ペア:

[(1, 487654440), (2, 243827220), (3, 162551480), (4, 121913610), (5, 97530888), (6, 81275740), (7, 69664920), (8, 60956805), (10, 48765444), (12, 40637870), (13, 37511880), (14, 34832460), (15, 32510296), (20, 24382722), (21, 23221640), (24, 20318935), (26, 18755940), (28, 17416230), (30, 16255148), (35, 13932984), (39, 12503960), (40, 12191361), (42, 11610820), (52, 9377970), (56, 8708115), (60, 8127574), (65, 7502376), (70, 6966492), (78, 6251980), (84, 5805410), (91, 5358840), (104, 4688985), (105, 4644328), (120, 4063787), (130, 3751188), (140, 3483246), (156, 3125990), (168, 2902705), (182, 2679420), (195, 2500792), (210, 2322164), (260, 1875594), (273, 1786280), (280, 1741623), (312, 1562995), (364, 1339710), (390, 1250396), (420, 1161082), (455, 1071768), (520, 937797), (546, 893140), (728, 669855), (780, 625198), (840, 580541), (910, 535884), (1092, 446570), (1365, 357256), (1560, 312599), (1820, 267942), (2184, 223285), (2730, 178628), (3640, 133971), (5460, 89314), (10920, 44657)]