1388366520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{66877}}^1$

素因数の和:67064

約数の個数: 64

約数和(自身を含む): 4189237920

約数和(自身を除く): 2800871400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6920, 10380, 20760, 66877, 133754, 200631, 267508, 334385, 401262, 535016, 668770, 802524, 1003155, 1337540, 1605048, 2006310, 2675080, 4012620, 8025240, 11569721, 23139442, 34709163, 46278884, 57848605, 69418326, 92557768, 115697210, 138836652, 173545815, 231394420, 277673304, 347091630, 462788840, 694183260, 1388366520]

約数ペア:

[(1, 1388366520), (2, 694183260), (3, 462788840), (4, 347091630), (5, 277673304), (6, 231394420), (8, 173545815), (10, 138836652), (12, 115697210), (15, 92557768), (20, 69418326), (24, 57848605), (30, 46278884), (40, 34709163), (60, 23139442), (120, 11569721), (173, 8025240), (346, 4012620), (519, 2675080), (692, 2006310), (865, 1605048), (1038, 1337540), (1384, 1003155), (1730, 802524), (2076, 668770), (2595, 535016), (3460, 401262), (4152, 334385), (5190, 267508), (6920, 200631), (10380, 133754), (20760, 66877)]