81837240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681977}}^1$

素因数の和:681991

約数の個数: 32

約数和(自身を含む): 245512080

約数和(自身を除く): 163674840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681977, 1363954, 2045931, 2727908, 3409885, 4091862, 5455816, 6819770, 8183724, 10229655, 13639540, 16367448, 20459310, 27279080, 40918620, 81837240]

約数ペア:

[(1, 81837240), (2, 40918620), (3, 27279080), (4, 20459310), (5, 16367448), (6, 13639540), (8, 10229655), (10, 8183724), (12, 6819770), (15, 5455816), (20, 4091862), (24, 3409885), (30, 2727908), (40, 2045931), (60, 1363954), (120, 681977)]