81786480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340777}}^1$

素因数の和:340793

約数の個数: 40

約数和(自身を含む): 253538832

約数和(自身を除く): 171752352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340777, 681554, 1022331, 1363108, 1703885, 2044662, 2726216, 3407770, 4089324, 5111655, 5452432, 6815540, 8178648, 10223310, 13631080, 16357296, 20446620, 27262160, 40893240, 81786480]

約数ペア:

[(1, 81786480), (2, 40893240), (3, 27262160), (4, 20446620), (5, 16357296), (6, 13631080), (8, 10223310), (10, 8178648), (12, 6815540), (15, 5452432), (16, 5111655), (20, 4089324), (24, 3407770), (30, 2726216), (40, 2044662), (48, 1703885), (60, 1363108), (80, 1022331), (120, 681554), (240, 340777)]