2720160375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{176921}}^1$

素因数の和:176980

約数の個数: 32

約数和(自身を含む): 4636771776

約数和(自身を除く): 1916611401

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 1025, 3075, 5125, 15375, 176921, 530763, 884605, 2653815, 4423025, 7253761, 13269075, 21761283, 22115125, 36268805, 66345375, 108806415, 181344025, 544032075, 906720125, 2720160375]

約数ペア:

[(1, 2720160375), (3, 906720125), (5, 544032075), (15, 181344025), (25, 108806415), (41, 66345375), (75, 36268805), (123, 22115125), (125, 21761283), (205, 13269075), (375, 7253761), (615, 4423025), (1025, 2653815), (3075, 884605), (5125, 530763), (15375, 176921)]