71540480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5081}}^1$

素因数の和:5113

約数の個数: 72

約数和(自身を含む): 186976944

約数和(自身を除く): 115436464

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, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5081, 7040, 10162, 14080, 20324, 25405, 40648, 50810, 55891, 81296, 101620, 111782, 162592, 203240, 223564, 279455, 325184, 406480, 447128, 558910, 650368, 812960, 894256, 1117820, 1300736, 1625920, 1788512, 2235640, 3251840, 3577024, 4471280, 6503680, 7154048, 8942560, 14308096, 17885120, 35770240, 71540480]

約数ペア:

[(1, 71540480), (2, 35770240), (4, 17885120), (5, 14308096), (8, 8942560), (10, 7154048), (11, 6503680), (16, 4471280), (20, 3577024), (22, 3251840), (32, 2235640), (40, 1788512), (44, 1625920), (55, 1300736), (64, 1117820), (80, 894256), (88, 812960), (110, 650368), (128, 558910), (160, 447128), (176, 406480), (220, 325184), (256, 279455), (320, 223564), (352, 203240), (440, 162592), (640, 111782), (704, 101620), (880, 81296), (1280, 55891), (1408, 50810), (1760, 40648), (2816, 25405), (3520, 20324), (5081, 14080), (7040, 10162)]