155480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 395280

約数和(自身を除く): 239800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 169, 184, 230, 260, 299, 338, 460, 520, 598, 676, 845, 920, 1196, 1352, 1495, 1690, 2392, 2990, 3380, 3887, 5980, 6760, 7774, 11960, 15548, 19435, 31096, 38870, 77740, 155480]

約数ペア:

[(1, 155480), (2, 77740), (4, 38870), (5, 31096), (8, 19435), (10, 15548), (13, 11960), (20, 7774), (23, 6760), (26, 5980), (40, 3887), (46, 3380), (52, 2990), (65, 2392), (92, 1690), (104, 1495), (115, 1352), (130, 1196), (169, 920), (184, 845), (230, 676), (260, 598), (299, 520), (338, 460)]