640963232

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2137}}^1$

素因数の和:2270

約数の個数: 96

約数和(自身を含む): 1568915712

約数和(自身を除く): 927952480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 103, 104, 112, 182, 206, 208, 224, 364, 412, 416, 721, 728, 824, 1339, 1442, 1456, 1648, 2137, 2678, 2884, 2912, 3296, 4274, 5356, 5768, 8548, 9373, 10712, 11536, 14959, 17096, 18746, 21424, 23072, 27781, 29918, 34192, 37492, 42848, 55562, 59836, 68384, 74984, 111124, 119672, 149968, 194467, 220111, 222248, 239344, 299936, 388934, 440222, 444496, 478688, 777868, 880444, 888992, 1540777, 1555736, 1760888, 2861443, 3081554, 3111472, 3521776, 5722886, 6163108, 6222944, 7043552, 11445772, 12326216, 20030101, 22891544, 24652432, 40060202, 45783088, 49304864, 80120404, 91566176, 160240808, 320481616, 640963232]

約数ペア:

[(1, 640963232), (2, 320481616), (4, 160240808), (7, 91566176), (8, 80120404), (13, 49304864), (14, 45783088), (16, 40060202), (26, 24652432), (28, 22891544), (32, 20030101), (52, 12326216), (56, 11445772), (91, 7043552), (103, 6222944), (104, 6163108), (112, 5722886), (182, 3521776), (206, 3111472), (208, 3081554), (224, 2861443), (364, 1760888), (412, 1555736), (416, 1540777), (721, 888992), (728, 880444), (824, 777868), (1339, 478688), (1442, 444496), (1456, 440222), (1648, 388934), (2137, 299936), (2678, 239344), (2884, 222248), (2912, 220111), (3296, 194467), (4274, 149968), (5356, 119672), (5768, 111124), (8548, 74984), (9373, 68384), (10712, 59836), (11536, 55562), (14959, 42848), (17096, 37492), (18746, 34192), (21424, 29918), (23072, 27781)]