257318352

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 120

約数和(自身を含む): 756737280

約数和(自身を除く): 499418928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 118, 124, 144, 177, 186, 236, 248, 279, 354, 372, 472, 496, 531, 558, 708, 744, 944, 977, 1062, 1116, 1416, 1488, 1829, 1954, 2124, 2232, 2832, 2931, 3658, 3908, 4248, 4464, 5487, 5862, 7316, 7816, 8496, 8793, 10974, 11724, 14632, 15632, 16461, 17586, 21948, 23448, 29264, 30287, 32922, 35172, 43896, 46896, 57643, 60574, 65844, 70344, 87792, 90861, 115286, 121148, 131688, 140688, 172929, 181722, 230572, 242296, 263376, 272583, 345858, 363444, 461144, 484592, 518787, 545166, 691716, 726888, 922288, 1037574, 1090332, 1383432, 1453776, 1786933, 2075148, 2180664, 2766864, 3573866, 4150296, 4361328, 5360799, 7147732, 8300592, 10721598, 14295464, 16082397, 21443196, 28590928, 32164794, 42886392, 64329588, 85772784, 128659176, 257318352]

約数ペア:

[(1, 257318352), (2, 128659176), (3, 85772784), (4, 64329588), (6, 42886392), (8, 32164794), (9, 28590928), (12, 21443196), (16, 16082397), (18, 14295464), (24, 10721598), (31, 8300592), (36, 7147732), (48, 5360799), (59, 4361328), (62, 4150296), (72, 3573866), (93, 2766864), (118, 2180664), (124, 2075148), (144, 1786933), (177, 1453776), (186, 1383432), (236, 1090332), (248, 1037574), (279, 922288), (354, 726888), (372, 691716), (472, 545166), (496, 518787), (531, 484592), (558, 461144), (708, 363444), (744, 345858), (944, 272583), (977, 263376), (1062, 242296), (1116, 230572), (1416, 181722), (1488, 172929), (1829, 140688), (1954, 131688), (2124, 121148), (2232, 115286), (2832, 90861), (2931, 87792), (3658, 70344), (3908, 65844), (4248, 60574), (4464, 57643), (5487, 46896), (5862, 43896), (7316, 35172), (7816, 32922), (8496, 30287), (8793, 29264), (10974, 23448), (11724, 21948), (14632, 17586), (15632, 16461)]