30550480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 75888000

約数和(自身を除く): 45337520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 199, 202, 304, 380, 398, 404, 505, 760, 796, 808, 995, 1010, 1520, 1592, 1616, 1919, 1990, 2020, 3184, 3781, 3838, 3980, 4040, 7562, 7676, 7960, 8080, 9595, 15124, 15352, 15920, 18905, 19190, 20099, 30248, 30704, 37810, 38380, 40198, 60496, 75620, 76760, 80396, 100495, 151240, 153520, 160792, 200990, 302480, 321584, 381881, 401980, 763762, 803960, 1527524, 1607920, 1909405, 3055048, 3818810, 6110096, 7637620, 15275240, 30550480]

約数ペア:

[(1, 30550480), (2, 15275240), (4, 7637620), (5, 6110096), (8, 3818810), (10, 3055048), (16, 1909405), (19, 1607920), (20, 1527524), (38, 803960), (40, 763762), (76, 401980), (80, 381881), (95, 321584), (101, 302480), (152, 200990), (190, 160792), (199, 153520), (202, 151240), (304, 100495), (380, 80396), (398, 76760), (404, 75620), (505, 60496), (760, 40198), (796, 38380), (808, 37810), (995, 30704), (1010, 30248), (1520, 20099), (1592, 19190), (1616, 18905), (1919, 15920), (1990, 15352), (2020, 15124), (3184, 9595), (3781, 8080), (3838, 7960), (3980, 7676), (4040, 7562)]