64319840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 175461552

約数和(自身を除く): 111141712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 107, 130, 136, 160, 170, 208, 214, 221, 260, 272, 289, 340, 416, 428, 442, 520, 535, 544, 578, 680, 856, 884, 1040, 1070, 1105, 1156, 1360, 1391, 1445, 1712, 1768, 1819, 2080, 2140, 2210, 2312, 2720, 2782, 2890, 3424, 3536, 3638, 3757, 4280, 4420, 4624, 5564, 5780, 6955, 7072, 7276, 7514, 8560, 8840, 9095, 9248, 11128, 11560, 13910, 14552, 15028, 17120, 17680, 18190, 18785, 22256, 23120, 23647, 27820, 29104, 30056, 30923, 35360, 36380, 37570, 44512, 46240, 47294, 55640, 58208, 60112, 61846, 72760, 75140, 94588, 111280, 118235, 120224, 123692, 145520, 150280, 154615, 189176, 222560, 236470, 247384, 291040, 300560, 309230, 378352, 401999, 472940, 494768, 601120, 618460, 756704, 803998, 945880, 989536, 1236920, 1607996, 1891760, 2009995, 2473840, 3215992, 3783520, 4019990, 4947680, 6431984, 8039980, 12863968, 16079960, 32159920, 64319840]

約数ペア:

[(1, 64319840), (2, 32159920), (4, 16079960), (5, 12863968), (8, 8039980), (10, 6431984), (13, 4947680), (16, 4019990), (17, 3783520), (20, 3215992), (26, 2473840), (32, 2009995), (34, 1891760), (40, 1607996), (52, 1236920), (65, 989536), (68, 945880), (80, 803998), (85, 756704), (104, 618460), (107, 601120), (130, 494768), (136, 472940), (160, 401999), (170, 378352), (208, 309230), (214, 300560), (221, 291040), (260, 247384), (272, 236470), (289, 222560), (340, 189176), (416, 154615), (428, 150280), (442, 145520), (520, 123692), (535, 120224), (544, 118235), (578, 111280), (680, 94588), (856, 75140), (884, 72760), (1040, 61846), (1070, 60112), (1105, 58208), (1156, 55640), (1360, 47294), (1391, 46240), (1445, 44512), (1712, 37570), (1768, 36380), (1819, 35360), (2080, 30923), (2140, 30056), (2210, 29104), (2312, 27820), (2720, 23647), (2782, 23120), (2890, 22256), (3424, 18785), (3536, 18190), (3638, 17680), (3757, 17120), (4280, 15028), (4420, 14552), (4624, 13910), (5564, 11560), (5780, 11128), (6955, 9248), (7072, 9095), (7276, 8840), (7514, 8560)]