257181270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16267}}^1$

素因数の和:16325

約数の個数: 64

約数和(自身を含む): 674666496

約数和(自身を除く): 417485226

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1581, 2635, 3162, 5270, 7905, 15810, 16267, 32534, 48801, 81335, 97602, 162670, 244005, 276539, 488010, 504277, 553078, 829617, 1008554, 1382695, 1512831, 1659234, 2521385, 2765390, 3025662, 4148085, 5042770, 7564155, 8296170, 8572709, 15128310, 17145418, 25718127, 42863545, 51436254, 85727090, 128590635, 257181270]

約数ペア:

[(1, 257181270), (2, 128590635), (3, 85727090), (5, 51436254), (6, 42863545), (10, 25718127), (15, 17145418), (17, 15128310), (30, 8572709), (31, 8296170), (34, 7564155), (51, 5042770), (62, 4148085), (85, 3025662), (93, 2765390), (102, 2521385), (155, 1659234), (170, 1512831), (186, 1382695), (255, 1008554), (310, 829617), (465, 553078), (510, 504277), (527, 488010), (930, 276539), (1054, 244005), (1581, 162670), (2635, 97602), (3162, 81335), (5270, 48801), (7905, 32534), (15810, 16267)]