80712960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21019}}^1$

素因数の和:21043

約数の個数: 72

約数和(自身を含む): 257789280

約数和(自身を除く): 177076320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21019, 42038, 63057, 84076, 105095, 126114, 168152, 210190, 252228, 315285, 336304, 420380, 504456, 630570, 672608, 840760, 1008912, 1261140, 1345216, 1681520, 2017824, 2522280, 2690432, 3363040, 4035648, 5044560, 5380864, 6726080, 8071296, 10089120, 13452160, 16142592, 20178240, 26904320, 40356480, 80712960]

約数ペア:

[(1, 80712960), (2, 40356480), (3, 26904320), (4, 20178240), (5, 16142592), (6, 13452160), (8, 10089120), (10, 8071296), (12, 6726080), (15, 5380864), (16, 5044560), (20, 4035648), (24, 3363040), (30, 2690432), (32, 2522280), (40, 2017824), (48, 1681520), (60, 1345216), (64, 1261140), (80, 1008912), (96, 840760), (120, 672608), (128, 630570), (160, 504456), (192, 420380), (240, 336304), (256, 315285), (320, 252228), (384, 210190), (480, 168152), (640, 126114), (768, 105095), (960, 84076), (1280, 63057), (1920, 42038), (3840, 21019)]