781680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3257}}^1$

素因数の和:3273

約数の個数: 40

約数和(自身を含む): 2423952

約数和(自身を除く): 1642272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3257, 6514, 9771, 13028, 16285, 19542, 26056, 32570, 39084, 48855, 52112, 65140, 78168, 97710, 130280, 156336, 195420, 260560, 390840, 781680]

約数ペア:

[(1, 781680), (2, 390840), (3, 260560), (4, 195420), (5, 156336), (6, 130280), (8, 97710), (10, 78168), (12, 65140), (15, 52112), (16, 48855), (20, 39084), (24, 32570), (30, 26056), (40, 19542), (48, 16285), (60, 13028), (80, 9771), (120, 6514), (240, 3257)]