28120770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 76447800

約数和(自身を除く): 48327030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 149, 162, 233, 270, 298, 405, 447, 466, 699, 745, 810, 894, 1165, 1341, 1398, 1490, 2097, 2235, 2330, 2682, 3495, 4023, 4194, 4470, 6291, 6705, 6990, 8046, 10485, 12069, 12582, 13410, 18873, 20115, 20970, 24138, 31455, 34717, 37746, 40230, 60345, 62910, 69434, 94365, 104151, 120690, 173585, 188730, 208302, 312453, 347170, 520755, 624906, 937359, 1041510, 1562265, 1874718, 2812077, 3124530, 4686795, 5624154, 9373590, 14060385, 28120770]

約数ペア:

[(1, 28120770), (2, 14060385), (3, 9373590), (5, 5624154), (6, 4686795), (9, 3124530), (10, 2812077), (15, 1874718), (18, 1562265), (27, 1041510), (30, 937359), (45, 624906), (54, 520755), (81, 347170), (90, 312453), (135, 208302), (149, 188730), (162, 173585), (233, 120690), (270, 104151), (298, 94365), (405, 69434), (447, 62910), (466, 60345), (699, 40230), (745, 37746), (810, 34717), (894, 31455), (1165, 24138), (1341, 20970), (1398, 20115), (1490, 18873), (2097, 13410), (2235, 12582), (2330, 12069), (2682, 10485), (3495, 8046), (4023, 6990), (4194, 6705), (4470, 6291)]