128920560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{537169}}^1$

素因数の和:537185

約数の個数: 40

約数和(自身を含む): 399654480

約数和(自身を除く): 270733920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 537169, 1074338, 1611507, 2148676, 2685845, 3223014, 4297352, 5371690, 6446028, 8057535, 8594704, 10743380, 12892056, 16115070, 21486760, 25784112, 32230140, 42973520, 64460280, 128920560]

約数ペア:

[(1, 128920560), (2, 64460280), (3, 42973520), (4, 32230140), (5, 25784112), (6, 21486760), (8, 16115070), (10, 12892056), (12, 10743380), (15, 8594704), (16, 8057535), (20, 6446028), (24, 5371690), (30, 4297352), (40, 3223014), (48, 2685845), (60, 2148676), (80, 1611507), (120, 1074338), (240, 537169)]