128869120

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 312658416

約数和(自身を除く): 183789296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1213, 1280, 1328, 1660, 2426, 2656, 3320, 4852, 5312, 6065, 6640, 9704, 10624, 12130, 13280, 19408, 21248, 24260, 26560, 38816, 48520, 53120, 77632, 97040, 100679, 106240, 155264, 194080, 201358, 310528, 388160, 402716, 503395, 776320, 805432, 1006790, 1552640, 1610864, 2013580, 3221728, 4027160, 6443456, 8054320, 12886912, 16108640, 25773824, 32217280, 64434560, 128869120]

約数ペア:

[(1, 128869120), (2, 64434560), (4, 32217280), (5, 25773824), (8, 16108640), (10, 12886912), (16, 8054320), (20, 6443456), (32, 4027160), (40, 3221728), (64, 2013580), (80, 1610864), (83, 1552640), (128, 1006790), (160, 805432), (166, 776320), (256, 503395), (320, 402716), (332, 388160), (415, 310528), (640, 201358), (664, 194080), (830, 155264), (1213, 106240), (1280, 100679), (1328, 97040), (1660, 77632), (2426, 53120), (2656, 48520), (3320, 38816), (4852, 26560), (5312, 24260), (6065, 21248), (6640, 19408), (9704, 13280), (10624, 12130)]