15171380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 37662408

約数和(自身を除く): 22491028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 137, 140, 196, 226, 245, 274, 452, 490, 548, 565, 685, 791, 959, 980, 1130, 1370, 1582, 1918, 2260, 2740, 3164, 3836, 3955, 4795, 5537, 6713, 7910, 9590, 11074, 13426, 15481, 15820, 19180, 22148, 26852, 27685, 30962, 33565, 55370, 61924, 67130, 77405, 108367, 110740, 134260, 154810, 216734, 309620, 433468, 541835, 758569, 1083670, 1517138, 2167340, 3034276, 3792845, 7585690, 15171380]

約数ペア:

[(1, 15171380), (2, 7585690), (4, 3792845), (5, 3034276), (7, 2167340), (10, 1517138), (14, 1083670), (20, 758569), (28, 541835), (35, 433468), (49, 309620), (70, 216734), (98, 154810), (113, 134260), (137, 110740), (140, 108367), (196, 77405), (226, 67130), (245, 61924), (274, 55370), (452, 33565), (490, 30962), (548, 27685), (565, 26852), (685, 22148), (791, 19180), (959, 15820), (980, 15481), (1130, 13426), (1370, 11074), (1582, 9590), (1918, 7910), (2260, 6713), (2740, 5537), (3164, 4795), (3836, 3955)]