81368352

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 252802368

約数和(自身を除く): 171434016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 103, 104, 117, 144, 156, 206, 208, 211, 234, 288, 309, 312, 412, 416, 422, 468, 618, 624, 633, 824, 844, 927, 936, 1236, 1248, 1266, 1339, 1648, 1688, 1854, 1872, 1899, 2472, 2532, 2678, 2743, 3296, 3376, 3708, 3744, 3798, 4017, 4944, 5064, 5356, 5486, 6752, 7416, 7596, 8034, 8229, 9888, 10128, 10712, 10972, 12051, 14832, 15192, 16068, 16458, 20256, 21424, 21733, 21944, 24102, 24687, 29664, 30384, 32136, 32916, 42848, 43466, 43888, 48204, 49374, 60768, 64272, 65199, 65832, 86932, 87776, 96408, 98748, 128544, 130398, 131664, 173864, 192816, 195597, 197496, 260796, 263328, 282529, 347728, 385632, 391194, 394992, 521592, 565058, 695456, 782388, 789984, 847587, 1043184, 1130116, 1564776, 1695174, 2086368, 2260232, 2542761, 3129552, 3390348, 4520464, 5085522, 6259104, 6780696, 9040928, 10171044, 13561392, 20342088, 27122784, 40684176, 81368352]

約数ペア:

[(1, 81368352), (2, 40684176), (3, 27122784), (4, 20342088), (6, 13561392), (8, 10171044), (9, 9040928), (12, 6780696), (13, 6259104), (16, 5085522), (18, 4520464), (24, 3390348), (26, 3129552), (32, 2542761), (36, 2260232), (39, 2086368), (48, 1695174), (52, 1564776), (72, 1130116), (78, 1043184), (96, 847587), (103, 789984), (104, 782388), (117, 695456), (144, 565058), (156, 521592), (206, 394992), (208, 391194), (211, 385632), (234, 347728), (288, 282529), (309, 263328), (312, 260796), (412, 197496), (416, 195597), (422, 192816), (468, 173864), (618, 131664), (624, 130398), (633, 128544), (824, 98748), (844, 96408), (927, 87776), (936, 86932), (1236, 65832), (1248, 65199), (1266, 64272), (1339, 60768), (1648, 49374), (1688, 48204), (1854, 43888), (1872, 43466), (1899, 42848), (2472, 32916), (2532, 32136), (2678, 30384), (2743, 29664), (3296, 24687), (3376, 24102), (3708, 21944), (3744, 21733), (3798, 21424), (4017, 20256), (4944, 16458), (5064, 16068), (5356, 15192), (5486, 14832), (6752, 12051), (7416, 10972), (7596, 10712), (8034, 10128), (8229, 9888)]