31721520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{132173}}^1$

素因数の和:132189

約数の個数: 40

約数和(自身を含む): 98337456

約数和(自身を除く): 66615936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 132173, 264346, 396519, 528692, 660865, 793038, 1057384, 1321730, 1586076, 1982595, 2114768, 2643460, 3172152, 3965190, 5286920, 6344304, 7930380, 10573840, 15860760, 31721520]

約数ペア:

[(1, 31721520), (2, 15860760), (3, 10573840), (4, 7930380), (5, 6344304), (6, 5286920), (8, 3965190), (10, 3172152), (12, 2643460), (15, 2114768), (16, 1982595), (20, 1586076), (24, 1321730), (30, 1057384), (40, 793038), (48, 660865), (60, 528692), (80, 396519), (120, 264346), (240, 132173)]