254786280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43331}}^1$

素因数の和:43359

約数の個数: 96

約数和(自身を含む): 889172640

約数和(自身を除く): 634386360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 43331, 86662, 129993, 173324, 216655, 259986, 303317, 346648, 433310, 519972, 606634, 649965, 866620, 909951, 1039944, 1213268, 1299930, 1516585, 1733240, 1819902, 2123219, 2426536, 2599860, 3033170, 3639804, 4246438, 4549755, 5199720, 6066340, 6369657, 7279608, 8492876, 9099510, 10616095, 12132680, 12739314, 16985752, 18199020, 21232190, 25478628, 31848285, 36398040, 42464380, 50957256, 63696570, 84928760, 127393140, 254786280]

約数ペア:

[(1, 254786280), (2, 127393140), (3, 84928760), (4, 63696570), (5, 50957256), (6, 42464380), (7, 36398040), (8, 31848285), (10, 25478628), (12, 21232190), (14, 18199020), (15, 16985752), (20, 12739314), (21, 12132680), (24, 10616095), (28, 9099510), (30, 8492876), (35, 7279608), (40, 6369657), (42, 6066340), (49, 5199720), (56, 4549755), (60, 4246438), (70, 3639804), (84, 3033170), (98, 2599860), (105, 2426536), (120, 2123219), (140, 1819902), (147, 1733240), (168, 1516585), (196, 1299930), (210, 1213268), (245, 1039944), (280, 909951), (294, 866620), (392, 649965), (420, 606634), (490, 519972), (588, 433310), (735, 346648), (840, 303317), (980, 259986), (1176, 216655), (1470, 173324), (1960, 129993), (2940, 86662), (5880, 43331)]