321523072

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 745758720

約数和(自身を除く): 424235648

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 64, 92, 104, 124, 128, 184, 208, 248, 271, 299, 368, 403, 416, 496, 542, 598, 713, 736, 806, 832, 992, 1084, 1196, 1426, 1472, 1612, 1664, 1984, 2168, 2392, 2852, 2944, 3224, 3523, 3968, 4336, 4784, 5704, 6233, 6448, 7046, 8401, 8672, 9269, 9568, 11408, 12466, 12896, 14092, 16802, 17344, 18538, 19136, 22816, 24932, 25792, 28184, 33604, 34688, 37076, 38272, 45632, 49864, 51584, 56368, 67208, 74152, 81029, 91264, 99728, 109213, 112736, 134416, 148304, 162058, 193223, 199456, 218426, 225472, 268832, 296608, 324116, 386446, 398912, 436852, 450944, 537664, 593216, 648232, 772892, 797824, 873704, 1075328, 1186432, 1296464, 1545784, 1747408, 2511899, 2592928, 3091568, 3494816, 5023798, 5185856, 6183136, 6989632, 10047596, 10371712, 12366272, 13979264, 20095192, 24732544, 40190384, 80380768, 160761536, 321523072]

約数ペア:

[(1, 321523072), (2, 160761536), (4, 80380768), (8, 40190384), (13, 24732544), (16, 20095192), (23, 13979264), (26, 12366272), (31, 10371712), (32, 10047596), (46, 6989632), (52, 6183136), (62, 5185856), (64, 5023798), (92, 3494816), (104, 3091568), (124, 2592928), (128, 2511899), (184, 1747408), (208, 1545784), (248, 1296464), (271, 1186432), (299, 1075328), (368, 873704), (403, 797824), (416, 772892), (496, 648232), (542, 593216), (598, 537664), (713, 450944), (736, 436852), (806, 398912), (832, 386446), (992, 324116), (1084, 296608), (1196, 268832), (1426, 225472), (1472, 218426), (1612, 199456), (1664, 193223), (1984, 162058), (2168, 148304), (2392, 134416), (2852, 112736), (2944, 109213), (3224, 99728), (3523, 91264), (3968, 81029), (4336, 74152), (4784, 67208), (5704, 56368), (6233, 51584), (6448, 49864), (7046, 45632), (8401, 38272), (8672, 37076), (9269, 34688), (9568, 33604), (11408, 28184), (12466, 25792), (12896, 24932), (14092, 22816), (16802, 19136), (17344, 18538)]