15967120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1181}}^1$

素因数の和:1220

約数の個数: 60

約数和(自身を含む): 40232916

約数和(自身を除く): 24265796

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1181, 1352, 1690, 2362, 2704, 3380, 4724, 5905, 6760, 9448, 11810, 13520, 15353, 18896, 23620, 30706, 47240, 61412, 76765, 94480, 122824, 153530, 199589, 245648, 307060, 399178, 614120, 798356, 997945, 1228240, 1596712, 1995890, 3193424, 3991780, 7983560, 15967120]

約数ペア:

[(1, 15967120), (2, 7983560), (4, 3991780), (5, 3193424), (8, 1995890), (10, 1596712), (13, 1228240), (16, 997945), (20, 798356), (26, 614120), (40, 399178), (52, 307060), (65, 245648), (80, 199589), (104, 153530), (130, 122824), (169, 94480), (208, 76765), (260, 61412), (338, 47240), (520, 30706), (676, 23620), (845, 18896), (1040, 15353), (1181, 13520), (1352, 11810), (1690, 9448), (2362, 6760), (2704, 5905), (3380, 4724)]