64912280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 151359840

約数和(自身を除く): 86447560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 457, 530, 536, 670, 914, 1060, 1340, 1828, 2120, 2285, 2680, 3551, 3656, 4570, 7102, 9140, 14204, 17755, 18280, 24221, 28408, 30619, 35510, 48442, 61238, 71020, 96884, 121105, 122476, 142040, 153095, 193768, 242210, 244952, 306190, 484420, 612380, 968840, 1224760, 1622807, 3245614, 6491228, 8114035, 12982456, 16228070, 32456140, 64912280]

約数ペア:

[(1, 64912280), (2, 32456140), (4, 16228070), (5, 12982456), (8, 8114035), (10, 6491228), (20, 3245614), (40, 1622807), (53, 1224760), (67, 968840), (106, 612380), (134, 484420), (212, 306190), (265, 244952), (268, 242210), (335, 193768), (424, 153095), (457, 142040), (530, 122476), (536, 121105), (670, 96884), (914, 71020), (1060, 61238), (1340, 48442), (1828, 35510), (2120, 30619), (2285, 28408), (2680, 24221), (3551, 18280), (3656, 17755), (4570, 14204), (7102, 9140)]