664491880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{34537}}^1$

素因数の和:34598

約数の個数: 64

約数和(自身を含む): 1653679440

約数和(自身を除く): 989187560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 34537, 69074, 138148, 172685, 276296, 345370, 448981, 690740, 897962, 1277869, 1381480, 1795924, 2244905, 2555738, 3591848, 4489810, 5111476, 6389345, 8979620, 10222952, 12778690, 16612297, 17959240, 25557380, 33224594, 51114760, 66449188, 83061485, 132898376, 166122970, 332245940, 664491880]

約数ペア:

[(1, 664491880), (2, 332245940), (4, 166122970), (5, 132898376), (8, 83061485), (10, 66449188), (13, 51114760), (20, 33224594), (26, 25557380), (37, 17959240), (40, 16612297), (52, 12778690), (65, 10222952), (74, 8979620), (104, 6389345), (130, 5111476), (148, 4489810), (185, 3591848), (260, 2555738), (296, 2244905), (370, 1795924), (481, 1381480), (520, 1277869), (740, 897962), (962, 690740), (1480, 448981), (1924, 345370), (2405, 276296), (3848, 172685), (4810, 138148), (9620, 69074), (19240, 34537)]