260358280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71527}}^1$

素因数の和:71558

約数の個数: 64

約数和(自身を含む): 721002240

約数和(自身を除く): 460643960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 71527, 143054, 286108, 357635, 500689, 572216, 715270, 929851, 1001378, 1430540, 1859702, 2002756, 2503445, 2861080, 3719404, 4005512, 4649255, 5006890, 6508957, 7438808, 9298510, 10013780, 13017914, 18597020, 20027560, 26035828, 32544785, 37194040, 52071656, 65089570, 130179140, 260358280]

約数ペア:

[(1, 260358280), (2, 130179140), (4, 65089570), (5, 52071656), (7, 37194040), (8, 32544785), (10, 26035828), (13, 20027560), (14, 18597020), (20, 13017914), (26, 10013780), (28, 9298510), (35, 7438808), (40, 6508957), (52, 5006890), (56, 4649255), (65, 4005512), (70, 3719404), (91, 2861080), (104, 2503445), (130, 2002756), (140, 1859702), (182, 1430540), (260, 1001378), (280, 929851), (364, 715270), (455, 572216), (520, 500689), (728, 357635), (910, 286108), (1820, 143054), (3640, 71527)]