128892120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153443}}^1$

素因数の和:153464

約数の個数: 64

約数和(自身を含む): 441918720

約数和(自身を除く): 313026600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153443, 306886, 460329, 613772, 767215, 920658, 1074101, 1227544, 1534430, 1841316, 2148202, 2301645, 3068860, 3222303, 3682632, 4296404, 4603290, 5370505, 6137720, 6444606, 8592808, 9206580, 10741010, 12889212, 16111515, 18413160, 21482020, 25778424, 32223030, 42964040, 64446060, 128892120]

約数ペア:

[(1, 128892120), (2, 64446060), (3, 42964040), (4, 32223030), (5, 25778424), (6, 21482020), (7, 18413160), (8, 16111515), (10, 12889212), (12, 10741010), (14, 9206580), (15, 8592808), (20, 6444606), (21, 6137720), (24, 5370505), (28, 4603290), (30, 4296404), (35, 3682632), (40, 3222303), (42, 3068860), (56, 2301645), (60, 2148202), (70, 1841316), (84, 1534430), (105, 1227544), (120, 1074101), (140, 920658), (168, 767215), (210, 613772), (280, 460329), (420, 306886), (840, 153443)]