30447640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 69945840

約数和(自身を除く): 39498200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 151, 284, 302, 355, 568, 604, 710, 755, 1208, 1420, 1510, 2840, 3020, 5041, 6040, 10082, 10721, 20164, 21442, 25205, 40328, 42884, 50410, 53605, 85768, 100820, 107210, 201640, 214420, 428840, 761191, 1522382, 3044764, 3805955, 6089528, 7611910, 15223820, 30447640]

約数ペア:

[(1, 30447640), (2, 15223820), (4, 7611910), (5, 6089528), (8, 3805955), (10, 3044764), (20, 1522382), (40, 761191), (71, 428840), (142, 214420), (151, 201640), (284, 107210), (302, 100820), (355, 85768), (568, 53605), (604, 50410), (710, 42884), (755, 40328), (1208, 25205), (1420, 21442), (1510, 20164), (2840, 10721), (3020, 10082), (5041, 6040)]