128418240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{133769}}^1$

素因数の和:133789

約数の個数: 56

約数和(自身を含む): 407730960

約数和(自身を除く): 279312720

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, 160, 192, 240, 320, 480, 960, 133769, 267538, 401307, 535076, 668845, 802614, 1070152, 1337690, 1605228, 2006535, 2140304, 2675380, 3210456, 4013070, 4280608, 5350760, 6420912, 8026140, 8561216, 10701520, 12841824, 16052280, 21403040, 25683648, 32104560, 42806080, 64209120, 128418240]

約数ペア:

[(1, 128418240), (2, 64209120), (3, 42806080), (4, 32104560), (5, 25683648), (6, 21403040), (8, 16052280), (10, 12841824), (12, 10701520), (15, 8561216), (16, 8026140), (20, 6420912), (24, 5350760), (30, 4280608), (32, 4013070), (40, 3210456), (48, 2675380), (60, 2140304), (64, 2006535), (80, 1605228), (96, 1337690), (120, 1070152), (160, 802614), (192, 668845), (240, 535076), (320, 401307), (480, 267538), (960, 133769)]