130620825

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 246262016

約数和(自身を除く): 115641191

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 61, 75, 93, 155, 183, 225, 279, 305, 307, 465, 549, 775, 915, 921, 1395, 1525, 1535, 1891, 2325, 2745, 2763, 4575, 4605, 5673, 6975, 7675, 9455, 9517, 13725, 13815, 17019, 18727, 23025, 28365, 28551, 47275, 47585, 56181, 69075, 85095, 85653, 93635, 141825, 142755, 168543, 237925, 280905, 425475, 428265, 468175, 580537, 713775, 842715, 1404525, 1741611, 2141325, 2902685, 4213575, 5224833, 8708055, 14513425, 26124165, 43540275, 130620825]

約数ペア:

[(1, 130620825), (3, 43540275), (5, 26124165), (9, 14513425), (15, 8708055), (25, 5224833), (31, 4213575), (45, 2902685), (61, 2141325), (75, 1741611), (93, 1404525), (155, 842715), (183, 713775), (225, 580537), (279, 468175), (305, 428265), (307, 425475), (465, 280905), (549, 237925), (775, 168543), (915, 142755), (921, 141825), (1395, 93635), (1525, 85653), (1535, 85095), (1891, 69075), (2325, 56181), (2745, 47585), (2763, 47275), (4575, 28551), (4605, 28365), (5673, 23025), (6975, 18727), (7675, 17019), (9455, 13815), (9517, 13725)]