1258284420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{225499}}^1$

素因数の和:225545

約数の個数: 72

約数和(自身を含む): 3939936000

約数和(自身を除く): 2681651580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 225499, 450998, 676497, 901996, 1127495, 1352994, 2029491, 2254990, 2705988, 3382485, 4058982, 4509980, 6764970, 6990469, 8117964, 10147455, 13529940, 13980938, 20294910, 20971407, 27961876, 34952345, 40589820, 41942814, 62914221, 69904690, 83885628, 104857035, 125828442, 139809380, 209714070, 251656884, 314571105, 419428140, 629142210, 1258284420]

約数ペア:

[(1, 1258284420), (2, 629142210), (3, 419428140), (4, 314571105), (5, 251656884), (6, 209714070), (9, 139809380), (10, 125828442), (12, 104857035), (15, 83885628), (18, 69904690), (20, 62914221), (30, 41942814), (31, 40589820), (36, 34952345), (45, 27961876), (60, 20971407), (62, 20294910), (90, 13980938), (93, 13529940), (124, 10147455), (155, 8117964), (180, 6990469), (186, 6764970), (279, 4509980), (310, 4058982), (372, 3382485), (465, 2705988), (558, 2254990), (620, 2029491), (930, 1352994), (1116, 1127495), (1395, 901996), (1860, 676497), (2790, 450998), (5580, 225499)]