1645581690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1373}}^1$

素因数の和:1605

約数の個数: 128

約数和(自身を含む): 4606087680

約数和(自身を除く): 2960505990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 193, 207, 230, 270, 345, 386, 414, 579, 621, 690, 965, 1035, 1158, 1242, 1373, 1737, 1930, 2070, 2746, 2895, 3105, 3474, 4119, 4439, 5211, 5790, 6210, 6865, 8238, 8685, 8878, 10422, 12357, 13317, 13730, 17370, 20595, 22195, 24714, 26055, 26634, 31579, 37071, 39951, 41190, 44390, 52110, 61785, 63158, 66585, 74142, 79902, 94737, 119853, 123570, 133170, 157895, 185355, 189474, 199755, 239706, 264989, 284211, 315790, 370710, 399510, 473685, 529978, 568422, 599265, 794967, 852633, 947370, 1198530, 1324945, 1421055, 1589934, 1705266, 2384901, 2649890, 2842110, 3974835, 4263165, 4769802, 6094747, 7154703, 7949670, 8526330, 11924505, 12189494, 14309406, 18284241, 23849010, 30473735, 35773515, 36568482, 54852723, 60947470, 71547030, 91421205, 109705446, 164558169, 182842410, 274263615, 329116338, 548527230, 822790845, 1645581690]

約数ペア:

[(1, 1645581690), (2, 822790845), (3, 548527230), (5, 329116338), (6, 274263615), (9, 182842410), (10, 164558169), (15, 109705446), (18, 91421205), (23, 71547030), (27, 60947470), (30, 54852723), (45, 36568482), (46, 35773515), (54, 30473735), (69, 23849010), (90, 18284241), (115, 14309406), (135, 12189494), (138, 11924505), (193, 8526330), (207, 7949670), (230, 7154703), (270, 6094747), (345, 4769802), (386, 4263165), (414, 3974835), (579, 2842110), (621, 2649890), (690, 2384901), (965, 1705266), (1035, 1589934), (1158, 1421055), (1242, 1324945), (1373, 1198530), (1737, 947370), (1930, 852633), (2070, 794967), (2746, 599265), (2895, 568422), (3105, 529978), (3474, 473685), (4119, 399510), (4439, 370710), (5211, 315790), (5790, 284211), (6210, 264989), (6865, 239706), (8238, 199755), (8685, 189474), (8878, 185355), (10422, 157895), (12357, 133170), (13317, 123570), (13730, 119853), (17370, 94737), (20595, 79902), (22195, 74142), (24714, 66585), (26055, 63158), (26634, 61785), (31579, 52110), (37071, 44390), (39951, 41190)]