28725180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 89123328

約数和(自身を除く): 60398148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 613, 660, 710, 781, 852, 1065, 1226, 1420, 1562, 1839, 2130, 2343, 2452, 3065, 3124, 3678, 3905, 4260, 4686, 6130, 6743, 7356, 7810, 9195, 9372, 11715, 12260, 13486, 15620, 18390, 20229, 23430, 26972, 33715, 36780, 40458, 43523, 46860, 67430, 80916, 87046, 101145, 130569, 134860, 174092, 202290, 217615, 261138, 404580, 435230, 478753, 522276, 652845, 870460, 957506, 1305690, 1436259, 1915012, 2393765, 2611380, 2872518, 4787530, 5745036, 7181295, 9575060, 14362590, 28725180]

約数ペア:

[(1, 28725180), (2, 14362590), (3, 9575060), (4, 7181295), (5, 5745036), (6, 4787530), (10, 2872518), (11, 2611380), (12, 2393765), (15, 1915012), (20, 1436259), (22, 1305690), (30, 957506), (33, 870460), (44, 652845), (55, 522276), (60, 478753), (66, 435230), (71, 404580), (110, 261138), (132, 217615), (142, 202290), (165, 174092), (213, 134860), (220, 130569), (284, 101145), (330, 87046), (355, 80916), (426, 67430), (613, 46860), (660, 43523), (710, 40458), (781, 36780), (852, 33715), (1065, 26972), (1226, 23430), (1420, 20229), (1562, 18390), (1839, 15620), (2130, 13486), (2343, 12260), (2452, 11715), (3065, 9372), (3124, 9195), (3678, 7810), (3905, 7356), (4260, 6743), (4686, 6130)]