12205180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 29145312

約数和(自身を除く): 16940132

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 157, 169, 230, 260, 299, 314, 338, 460, 598, 628, 676, 785, 845, 1196, 1495, 1570, 1690, 2041, 2990, 3140, 3380, 3611, 3887, 4082, 5980, 7222, 7774, 8164, 10205, 14444, 15548, 18055, 19435, 20410, 26533, 36110, 38870, 40820, 46943, 53066, 72220, 77740, 93886, 106132, 132665, 187772, 234715, 265330, 469430, 530660, 610259, 938860, 1220518, 2441036, 3051295, 6102590, 12205180]

約数ペア:

[(1, 12205180), (2, 6102590), (4, 3051295), (5, 2441036), (10, 1220518), (13, 938860), (20, 610259), (23, 530660), (26, 469430), (46, 265330), (52, 234715), (65, 187772), (92, 132665), (115, 106132), (130, 93886), (157, 77740), (169, 72220), (230, 53066), (260, 46943), (299, 40820), (314, 38870), (338, 36110), (460, 26533), (598, 20410), (628, 19435), (676, 18055), (785, 15548), (845, 14444), (1196, 10205), (1495, 8164), (1570, 7774), (1690, 7222), (2041, 5980), (2990, 4082), (3140, 3887), (3380, 3611)]