540640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 1330560

約数和(自身を除く): 789920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 109, 124, 155, 160, 218, 248, 310, 436, 496, 545, 620, 872, 992, 1090, 1240, 1744, 2180, 2480, 3379, 3488, 4360, 4960, 6758, 8720, 13516, 16895, 17440, 27032, 33790, 54064, 67580, 108128, 135160, 270320, 540640]

約数ペア:

[(1, 540640), (2, 270320), (4, 135160), (5, 108128), (8, 67580), (10, 54064), (16, 33790), (20, 27032), (31, 17440), (32, 16895), (40, 13516), (62, 8720), (80, 6758), (109, 4960), (124, 4360), (155, 3488), (160, 3379), (218, 2480), (248, 2180), (310, 1744), (436, 1240), (496, 1090), (545, 992), (620, 872)]