28452420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5099}}^1$

素因数の和:5145

約数の個数: 72

約数和(自身を含む): 89107200

約数和(自身を除く): 60654780

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, 5099, 5580, 10198, 15297, 20396, 25495, 30594, 45891, 50990, 61188, 76485, 91782, 101980, 152970, 158069, 183564, 229455, 305940, 316138, 458910, 474207, 632276, 790345, 917820, 948414, 1422621, 1580690, 1896828, 2371035, 2845242, 3161380, 4742070, 5690484, 7113105, 9484140, 14226210, 28452420]

約数ペア:

[(1, 28452420), (2, 14226210), (3, 9484140), (4, 7113105), (5, 5690484), (6, 4742070), (9, 3161380), (10, 2845242), (12, 2371035), (15, 1896828), (18, 1580690), (20, 1422621), (30, 948414), (31, 917820), (36, 790345), (45, 632276), (60, 474207), (62, 458910), (90, 316138), (93, 305940), (124, 229455), (155, 183564), (180, 158069), (186, 152970), (279, 101980), (310, 91782), (372, 76485), (465, 61188), (558, 50990), (620, 45891), (930, 30594), (1116, 25495), (1395, 20396), (1860, 15297), (2790, 10198), (5099, 5580)]