538757360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1283}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 1303979040

約数和(自身を除く): 765221680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 181, 232, 290, 362, 464, 580, 724, 905, 1160, 1283, 1448, 1810, 2320, 2566, 2896, 3620, 5132, 5249, 6415, 7240, 10264, 10498, 12830, 14480, 20528, 20996, 25660, 26245, 37207, 41992, 51320, 52490, 74414, 83984, 102640, 104980, 148828, 186035, 209960, 232223, 297656, 372070, 419920, 464446, 595312, 744140, 928892, 1161115, 1488280, 1857784, 2322230, 2976560, 3715568, 4644460, 6734467, 9288920, 13468934, 18577840, 26937868, 33672335, 53875736, 67344670, 107751472, 134689340, 269378680, 538757360]

約数ペア:

[(1, 538757360), (2, 269378680), (4, 134689340), (5, 107751472), (8, 67344670), (10, 53875736), (16, 33672335), (20, 26937868), (29, 18577840), (40, 13468934), (58, 9288920), (80, 6734467), (116, 4644460), (145, 3715568), (181, 2976560), (232, 2322230), (290, 1857784), (362, 1488280), (464, 1161115), (580, 928892), (724, 744140), (905, 595312), (1160, 464446), (1283, 419920), (1448, 372070), (1810, 297656), (2320, 232223), (2566, 209960), (2896, 186035), (3620, 148828), (5132, 104980), (5249, 102640), (6415, 83984), (7240, 74414), (10264, 52490), (10498, 51320), (12830, 41992), (14480, 37207), (20528, 26245), (20996, 25660)]