128156720

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^2\times {\mathrm{151}}^1$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 302877936

約数和(自身を除く): 174721216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 151, 206, 302, 412, 515, 604, 755, 824, 1030, 1208, 1510, 1648, 2060, 2416, 3020, 4120, 6040, 8240, 10609, 12080, 15553, 21218, 31106, 42436, 53045, 62212, 77765, 84872, 106090, 124424, 155530, 169744, 212180, 248848, 311060, 424360, 622120, 848720, 1244240, 1601959, 3203918, 6407836, 8009795, 12815672, 16019590, 25631344, 32039180, 64078360, 128156720]

約数ペア:

[(1, 128156720), (2, 64078360), (4, 32039180), (5, 25631344), (8, 16019590), (10, 12815672), (16, 8009795), (20, 6407836), (40, 3203918), (80, 1601959), (103, 1244240), (151, 848720), (206, 622120), (302, 424360), (412, 311060), (515, 248848), (604, 212180), (755, 169744), (824, 155530), (1030, 124424), (1208, 106090), (1510, 84872), (1648, 77765), (2060, 62212), (2416, 53045), (3020, 42436), (4120, 31106), (6040, 21218), (8240, 15553), (10609, 12080)]