15017920

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 56

約数和(自身を含む): 36319968

約数和(自身を除く): 21302048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 661, 710, 1136, 1322, 1420, 2272, 2644, 2840, 3305, 4544, 5288, 5680, 6610, 10576, 11360, 13220, 21152, 22720, 26440, 42304, 46931, 52880, 93862, 105760, 187724, 211520, 234655, 375448, 469310, 750896, 938620, 1501792, 1877240, 3003584, 3754480, 7508960, 15017920]

約数ペア:

[(1, 15017920), (2, 7508960), (4, 3754480), (5, 3003584), (8, 1877240), (10, 1501792), (16, 938620), (20, 750896), (32, 469310), (40, 375448), (64, 234655), (71, 211520), (80, 187724), (142, 105760), (160, 93862), (284, 52880), (320, 46931), (355, 42304), (568, 26440), (661, 22720), (710, 21152), (1136, 13220), (1322, 11360), (1420, 10576), (2272, 6610), (2644, 5680), (2840, 5288), (3305, 4544)]