61810840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17012

約数の個数: 64

約数和(自身を含む): 171178560

約数和(自身を除く): 109367720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 16981, 33962, 67924, 84905, 118867, 135848, 169810, 220753, 237734, 339620, 441506, 475468, 594335, 679240, 883012, 950936, 1103765, 1188670, 1545271, 1766024, 2207530, 2377340, 3090542, 4415060, 4754680, 6181084, 7726355, 8830120, 12362168, 15452710, 30905420, 61810840]

約数ペア:

[(1, 61810840), (2, 30905420), (4, 15452710), (5, 12362168), (7, 8830120), (8, 7726355), (10, 6181084), (13, 4754680), (14, 4415060), (20, 3090542), (26, 2377340), (28, 2207530), (35, 1766024), (40, 1545271), (52, 1188670), (56, 1103765), (65, 950936), (70, 883012), (91, 679240), (104, 594335), (130, 475468), (140, 441506), (182, 339620), (260, 237734), (280, 220753), (364, 169810), (455, 135848), (520, 118867), (728, 84905), (910, 67924), (1820, 33962), (3640, 16981)]