255353080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 587911680

約数和(自身を除く): 332558600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 151, 268, 302, 335, 536, 604, 631, 670, 755, 1208, 1262, 1340, 1510, 2524, 2680, 3020, 3155, 5048, 6040, 6310, 10117, 12620, 20234, 25240, 40468, 42277, 50585, 80936, 84554, 95281, 101170, 169108, 190562, 202340, 211385, 338216, 381124, 404680, 422770, 476405, 762248, 845540, 952810, 1691080, 1905620, 3811240, 6383827, 12767654, 25535308, 31919135, 51070616, 63838270, 127676540, 255353080]

約数ペア:

[(1, 255353080), (2, 127676540), (4, 63838270), (5, 51070616), (8, 31919135), (10, 25535308), (20, 12767654), (40, 6383827), (67, 3811240), (134, 1905620), (151, 1691080), (268, 952810), (302, 845540), (335, 762248), (536, 476405), (604, 422770), (631, 404680), (670, 381124), (755, 338216), (1208, 211385), (1262, 202340), (1340, 190562), (1510, 169108), (2524, 101170), (2680, 95281), (3020, 84554), (3155, 80936), (5048, 50585), (6040, 42277), (6310, 40468), (10117, 25240), (12620, 20234)]