15667280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 38449920

約数和(自身を除く): 22782640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 79, 80, 134, 148, 158, 185, 268, 296, 316, 335, 370, 395, 536, 592, 632, 670, 740, 790, 1072, 1264, 1340, 1480, 1580, 2479, 2680, 2923, 2960, 3160, 4958, 5293, 5360, 5846, 6320, 9916, 10586, 11692, 12395, 14615, 19832, 21172, 23384, 24790, 26465, 29230, 39664, 42344, 46768, 49580, 52930, 58460, 84688, 99160, 105860, 116920, 195841, 198320, 211720, 233840, 391682, 423440, 783364, 979205, 1566728, 1958410, 3133456, 3916820, 7833640, 15667280]

約数ペア:

[(1, 15667280), (2, 7833640), (4, 3916820), (5, 3133456), (8, 1958410), (10, 1566728), (16, 979205), (20, 783364), (37, 423440), (40, 391682), (67, 233840), (74, 211720), (79, 198320), (80, 195841), (134, 116920), (148, 105860), (158, 99160), (185, 84688), (268, 58460), (296, 52930), (316, 49580), (335, 46768), (370, 42344), (395, 39664), (536, 29230), (592, 26465), (632, 24790), (670, 23384), (740, 21172), (790, 19832), (1072, 14615), (1264, 12395), (1340, 11692), (1480, 10586), (1580, 9916), (2479, 6320), (2680, 5846), (2923, 5360), (2960, 5293), (3160, 4958)]