121465240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 297158400

約数和(自身を除く): 175693160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2143, 2180, 2834, 4286, 4360, 5668, 7085, 8572, 10715, 11336, 14170, 17144, 21430, 27859, 28340, 42860, 55718, 56680, 85720, 111436, 139295, 222872, 233587, 278590, 467174, 557180, 934348, 1114360, 1167935, 1868696, 2335870, 3036631, 4671740, 6073262, 9343480, 12146524, 15183155, 24293048, 30366310, 60732620, 121465240]

約数ペア:

[(1, 121465240), (2, 60732620), (4, 30366310), (5, 24293048), (8, 15183155), (10, 12146524), (13, 9343480), (20, 6073262), (26, 4671740), (40, 3036631), (52, 2335870), (65, 1868696), (104, 1167935), (109, 1114360), (130, 934348), (218, 557180), (260, 467174), (436, 278590), (520, 233587), (545, 222872), (872, 139295), (1090, 111436), (1417, 85720), (2143, 56680), (2180, 55718), (2834, 42860), (4286, 28340), (4360, 27859), (5668, 21430), (7085, 17144), (8572, 14170), (10715, 11336)]