6415760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 16665600

約数和(自身を除く): 10249840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 199, 208, 248, 260, 310, 398, 403, 496, 520, 620, 796, 806, 995, 1040, 1240, 1592, 1612, 1990, 2015, 2480, 2587, 3184, 3224, 3980, 4030, 5174, 6169, 6448, 7960, 8060, 10348, 12338, 12935, 15920, 16120, 20696, 24676, 25870, 30845, 32240, 41392, 49352, 51740, 61690, 80197, 98704, 103480, 123380, 160394, 206960, 246760, 320788, 400985, 493520, 641576, 801970, 1283152, 1603940, 3207880, 6415760]

約数ペア:

[(1, 6415760), (2, 3207880), (4, 1603940), (5, 1283152), (8, 801970), (10, 641576), (13, 493520), (16, 400985), (20, 320788), (26, 246760), (31, 206960), (40, 160394), (52, 123380), (62, 103480), (65, 98704), (80, 80197), (104, 61690), (124, 51740), (130, 49352), (155, 41392), (199, 32240), (208, 30845), (248, 25870), (260, 24676), (310, 20696), (398, 16120), (403, 15920), (496, 12935), (520, 12338), (620, 10348), (796, 8060), (806, 7960), (995, 6448), (1040, 6169), (1240, 5174), (1592, 4030), (1612, 3980), (1990, 3224), (2015, 3184), (2480, 2587)]