15275240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 36720000

約数和(自身を除く): 21444760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 199, 202, 380, 398, 404, 505, 760, 796, 808, 995, 1010, 1592, 1919, 1990, 2020, 3781, 3838, 3980, 4040, 7562, 7676, 7960, 9595, 15124, 15352, 18905, 19190, 20099, 30248, 37810, 38380, 40198, 75620, 76760, 80396, 100495, 151240, 160792, 200990, 381881, 401980, 763762, 803960, 1527524, 1909405, 3055048, 3818810, 7637620, 15275240]

約数ペア:

[(1, 15275240), (2, 7637620), (4, 3818810), (5, 3055048), (8, 1909405), (10, 1527524), (19, 803960), (20, 763762), (38, 401980), (40, 381881), (76, 200990), (95, 160792), (101, 151240), (152, 100495), (190, 80396), (199, 76760), (202, 75620), (380, 40198), (398, 38380), (404, 37810), (505, 30248), (760, 20099), (796, 19190), (808, 18905), (995, 15352), (1010, 15124), (1592, 9595), (1919, 7960), (1990, 7676), (2020, 7562), (3781, 4040), (3838, 3980)]