81792840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681607}}^1$

素因数の和:681621

約数の個数: 32

約数和(自身を含む): 245378880

約数和(自身を除く): 163586040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681607, 1363214, 2044821, 2726428, 3408035, 4089642, 5452856, 6816070, 8179284, 10224105, 13632140, 16358568, 20448210, 27264280, 40896420, 81792840]

約数ペア:

[(1, 81792840), (2, 40896420), (3, 27264280), (4, 20448210), (5, 16358568), (6, 13632140), (8, 10224105), (10, 8179284), (12, 6816070), (15, 5452856), (20, 4089642), (24, 3408035), (30, 2726428), (40, 2044821), (60, 1363214), (120, 681607)]