18257520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 57139200

約数和(自身を除く): 38881680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 599, 635, 762, 1016, 1198, 1270, 1524, 1797, 1905, 2032, 2396, 2540, 2995, 3048, 3594, 3810, 4792, 5080, 5990, 6096, 7188, 7620, 8985, 9584, 10160, 11980, 14376, 15240, 17970, 23960, 28752, 30480, 35940, 47920, 71880, 76073, 143760, 152146, 228219, 304292, 380365, 456438, 608584, 760730, 912876, 1141095, 1217168, 1521460, 1825752, 2282190, 3042920, 3651504, 4564380, 6085840, 9128760, 18257520]

約数ペア:

[(1, 18257520), (2, 9128760), (3, 6085840), (4, 4564380), (5, 3651504), (6, 3042920), (8, 2282190), (10, 1825752), (12, 1521460), (15, 1217168), (16, 1141095), (20, 912876), (24, 760730), (30, 608584), (40, 456438), (48, 380365), (60, 304292), (80, 228219), (120, 152146), (127, 143760), (240, 76073), (254, 71880), (381, 47920), (508, 35940), (599, 30480), (635, 28752), (762, 23960), (1016, 17970), (1198, 15240), (1270, 14376), (1524, 11980), (1797, 10160), (1905, 9584), (2032, 8985), (2396, 7620), (2540, 7188), (2995, 6096), (3048, 5990), (3594, 5080), (3810, 4792)]