255788130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21157}}^1$

素因数の和:21211

約数の個数: 64

約数和(自身を含む): 682472448

約数和(自身を除く): 426684318

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 21157, 42314, 63471, 105785, 126942, 211570, 275041, 317355, 550082, 634710, 655867, 825123, 1311734, 1375205, 1650246, 1967601, 2750410, 3279335, 3935202, 4125615, 6558670, 8251230, 8526271, 9838005, 17052542, 19676010, 25578813, 42631355, 51157626, 85262710, 127894065, 255788130]

約数ペア:

[(1, 255788130), (2, 127894065), (3, 85262710), (5, 51157626), (6, 42631355), (10, 25578813), (13, 19676010), (15, 17052542), (26, 9838005), (30, 8526271), (31, 8251230), (39, 6558670), (62, 4125615), (65, 3935202), (78, 3279335), (93, 2750410), (130, 1967601), (155, 1650246), (186, 1375205), (195, 1311734), (310, 825123), (390, 655867), (403, 634710), (465, 550082), (806, 317355), (930, 275041), (1209, 211570), (2015, 126942), (2418, 105785), (4030, 63471), (6045, 42314), (12090, 21157)]