72042525

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 136423560

約数和(自身を除く): 64381035

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 61, 75, 87, 145, 181, 183, 225, 261, 305, 435, 543, 549, 725, 905, 915, 1305, 1525, 1629, 1769, 2175, 2715, 2745, 4525, 4575, 5249, 5307, 6525, 8145, 8845, 11041, 13575, 13725, 15747, 15921, 26245, 26535, 33123, 40725, 44225, 47241, 55205, 78735, 79605, 99369, 131225, 132675, 165615, 236205, 276025, 320189, 393675, 398025, 496845, 828075, 960567, 1181025, 1600945, 2484225, 2881701, 4802835, 8004725, 14408505, 24014175, 72042525]

約数ペア:

[(1, 72042525), (3, 24014175), (5, 14408505), (9, 8004725), (15, 4802835), (25, 2881701), (29, 2484225), (45, 1600945), (61, 1181025), (75, 960567), (87, 828075), (145, 496845), (181, 398025), (183, 393675), (225, 320189), (261, 276025), (305, 236205), (435, 165615), (543, 132675), (549, 131225), (725, 99369), (905, 79605), (915, 78735), (1305, 55205), (1525, 47241), (1629, 44225), (1769, 40725), (2175, 33123), (2715, 26535), (2745, 26245), (4525, 15921), (4575, 15747), (5249, 13725), (5307, 13575), (6525, 11041), (8145, 8845)]