25083180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 76496784

約数和(自身を除く): 51413604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 421, 662, 842, 993, 1263, 1324, 1655, 1684, 1986, 2105, 2526, 2979, 3310, 3789, 3972, 4210, 4965, 5052, 5958, 6315, 6620, 7578, 8420, 9930, 11916, 12630, 14895, 15156, 18945, 19860, 25260, 29790, 37890, 59580, 75780, 139351, 278702, 418053, 557404, 696755, 836106, 1254159, 1393510, 1672212, 2090265, 2508318, 2787020, 4180530, 5016636, 6270795, 8361060, 12541590, 25083180]

約数ペア:

[(1, 25083180), (2, 12541590), (3, 8361060), (4, 6270795), (5, 5016636), (6, 4180530), (9, 2787020), (10, 2508318), (12, 2090265), (15, 1672212), (18, 1393510), (20, 1254159), (30, 836106), (36, 696755), (45, 557404), (60, 418053), (90, 278702), (180, 139351), (331, 75780), (421, 59580), (662, 37890), (842, 29790), (993, 25260), (1263, 19860), (1324, 18945), (1655, 15156), (1684, 14895), (1986, 12630), (2105, 11916), (2526, 9930), (2979, 8420), (3310, 7578), (3789, 6620), (3972, 6315), (4210, 5958), (4965, 5052)]