91887160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 213451200

約数和(自身を除く): 121564040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 487, 530, 712, 890, 974, 1060, 1780, 1948, 2120, 2435, 3560, 3896, 4717, 4870, 9434, 9740, 18868, 19480, 23585, 25811, 37736, 43343, 47170, 51622, 86686, 94340, 103244, 129055, 173372, 188680, 206488, 216715, 258110, 346744, 433430, 516220, 866860, 1032440, 1733720, 2297179, 4594358, 9188716, 11485895, 18377432, 22971790, 45943580, 91887160]

約数ペア:

[(1, 91887160), (2, 45943580), (4, 22971790), (5, 18377432), (8, 11485895), (10, 9188716), (20, 4594358), (40, 2297179), (53, 1733720), (89, 1032440), (106, 866860), (178, 516220), (212, 433430), (265, 346744), (356, 258110), (424, 216715), (445, 206488), (487, 188680), (530, 173372), (712, 129055), (890, 103244), (974, 94340), (1060, 86686), (1780, 51622), (1948, 47170), (2120, 43343), (2435, 37736), (3560, 25811), (3896, 23585), (4717, 19480), (4870, 18868), (9434, 9740)]