81572480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11587}}^1$

素因数の和:11617

約数の個数: 64

約数和(自身を含む): 212755680

約数和(自身を除く): 131183200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 11587, 23174, 46348, 57935, 92696, 115870, 127457, 185392, 231740, 254914, 370784, 463480, 509828, 637285, 741568, 926960, 1019656, 1274570, 1483136, 1853920, 2039312, 2549140, 3707840, 4078624, 5098280, 7415680, 8157248, 10196560, 16314496, 20393120, 40786240, 81572480]

約数ペア:

[(1, 81572480), (2, 40786240), (4, 20393120), (5, 16314496), (8, 10196560), (10, 8157248), (11, 7415680), (16, 5098280), (20, 4078624), (22, 3707840), (32, 2549140), (40, 2039312), (44, 1853920), (55, 1483136), (64, 1274570), (80, 1019656), (88, 926960), (110, 741568), (128, 637285), (160, 509828), (176, 463480), (220, 370784), (320, 254914), (352, 231740), (440, 185392), (640, 127457), (704, 115870), (880, 92696), (1408, 57935), (1760, 46348), (3520, 23174), (7040, 11587)]