256153680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1369

約数の個数: 120

約数和(自身を含む): 863516160

約数和(自身を除く): 607362480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 359, 360, 718, 720, 991, 1077, 1436, 1795, 1982, 2154, 2872, 2973, 3231, 3590, 3964, 4308, 4955, 5385, 5744, 5946, 6462, 7180, 7928, 8616, 8919, 9910, 10770, 11892, 12924, 14360, 14865, 15856, 16155, 17232, 17838, 19820, 21540, 23784, 25848, 28720, 29730, 32310, 35676, 39640, 43080, 44595, 47568, 51696, 59460, 64620, 71352, 79280, 86160, 89190, 118920, 129240, 142704, 178380, 237840, 258480, 355769, 356760, 711538, 713520, 1067307, 1423076, 1778845, 2134614, 2846152, 3201921, 3557690, 4269228, 5336535, 5692304, 6403842, 7115380, 8538456, 10673070, 12807684, 14230760, 16009605, 17076912, 21346140, 25615368, 28461520, 32019210, 42692280, 51230736, 64038420, 85384560, 128076840, 256153680]

約数ペア:

[(1, 256153680), (2, 128076840), (3, 85384560), (4, 64038420), (5, 51230736), (6, 42692280), (8, 32019210), (9, 28461520), (10, 25615368), (12, 21346140), (15, 17076912), (16, 16009605), (18, 14230760), (20, 12807684), (24, 10673070), (30, 8538456), (36, 7115380), (40, 6403842), (45, 5692304), (48, 5336535), (60, 4269228), (72, 3557690), (80, 3201921), (90, 2846152), (120, 2134614), (144, 1778845), (180, 1423076), (240, 1067307), (359, 713520), (360, 711538), (718, 356760), (720, 355769), (991, 258480), (1077, 237840), (1436, 178380), (1795, 142704), (1982, 129240), (2154, 118920), (2872, 89190), (2973, 86160), (3231, 79280), (3590, 71352), (3964, 64620), (4308, 59460), (4955, 51696), (5385, 47568), (5744, 44595), (5946, 43080), (6462, 39640), (7180, 35676), (7928, 32310), (8616, 29730), (8919, 28720), (9910, 25848), (10770, 23784), (11892, 21540), (12924, 19820), (14360, 17838), (14865, 17232), (15856, 16155)]