255515640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68687}}^1$

素因数の和:68732

約数の個数: 64

約数和(自身を含む): 791285760

約数和(自身を除く): 535770120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 68687, 137374, 206061, 274748, 343435, 412122, 549496, 686870, 824244, 1030305, 1373740, 1648488, 2060610, 2129297, 2747480, 4121220, 4258594, 6387891, 8242440, 8517188, 10646485, 12775782, 17034376, 21292970, 25551564, 31939455, 42585940, 51103128, 63878910, 85171880, 127757820, 255515640]

約数ペア:

[(1, 255515640), (2, 127757820), (3, 85171880), (4, 63878910), (5, 51103128), (6, 42585940), (8, 31939455), (10, 25551564), (12, 21292970), (15, 17034376), (20, 12775782), (24, 10646485), (30, 8517188), (31, 8242440), (40, 6387891), (60, 4258594), (62, 4121220), (93, 2747480), (120, 2129297), (124, 2060610), (155, 1648488), (186, 1373740), (248, 1030305), (310, 824244), (372, 686870), (465, 549496), (620, 412122), (744, 343435), (930, 274748), (1240, 206061), (1860, 137374), (3720, 68687)]