1615120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 4046616

約数和(自身を除く): 2431496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1553, 3106, 6212, 7765, 12424, 15530, 20189, 24848, 31060, 40378, 62120, 80756, 100945, 124240, 161512, 201890, 323024, 403780, 807560, 1615120]

約数ペア:

[(1, 1615120), (2, 807560), (4, 403780), (5, 323024), (8, 201890), (10, 161512), (13, 124240), (16, 100945), (20, 80756), (26, 62120), (40, 40378), (52, 31060), (65, 24848), (80, 20189), (104, 15530), (130, 12424), (208, 7765), (260, 6212), (520, 3106), (1040, 1553)]