19716240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 61746048

約数和(自身を除く): 42029808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 727, 904, 1130, 1356, 1454, 1695, 1808, 2181, 2260, 2712, 2908, 3390, 3635, 4362, 4520, 5424, 5816, 6780, 7270, 8724, 9040, 10905, 11632, 13560, 14540, 17448, 21810, 27120, 29080, 34896, 43620, 58160, 82151, 87240, 164302, 174480, 246453, 328604, 410755, 492906, 657208, 821510, 985812, 1232265, 1314416, 1643020, 1971624, 2464530, 3286040, 3943248, 4929060, 6572080, 9858120, 19716240]

約数ペア:

[(1, 19716240), (2, 9858120), (3, 6572080), (4, 4929060), (5, 3943248), (6, 3286040), (8, 2464530), (10, 1971624), (12, 1643020), (15, 1314416), (16, 1232265), (20, 985812), (24, 821510), (30, 657208), (40, 492906), (48, 410755), (60, 328604), (80, 246453), (113, 174480), (120, 164302), (226, 87240), (240, 82151), (339, 58160), (452, 43620), (565, 34896), (678, 29080), (727, 27120), (904, 21810), (1130, 17448), (1356, 14540), (1454, 13560), (1695, 11632), (1808, 10905), (2181, 9040), (2260, 8724), (2712, 7270), (2908, 6780), (3390, 5816), (3635, 5424), (4362, 4520)]