81279181.000000000

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1149

約数の個数: 120

約数和(自身を含む): 413961600

約数和(自身を除く): 276496752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 47, 48, 57, 72, 76, 94, 114, 141, 144, 152, 171, 188, 228, 282, 304, 342, 376, 423, 456, 564, 684, 752, 846, 893, 912, 1069, 1128, 1368, 1692, 1786, 2138, 2256, 2679, 2736, 3207, 3384, 3572, 4276, 5358, 6414, 6768, 7144, 8037, 8552, 9621, 10716, 12828, 14288, 16074, 17104, 19242, 20311, 21432, 25656, 32148, 38484, 40622, 42864, 50243, 51312, 60933, 64296, 76968, 81244, 100486, 121866, 128592, 150729, 153936, 162488, 182799, 200972, 243732, 301458, 324976, 365598, 401944, 452187, 487464, 602916, 731196, 803888, 904374, 954617, 974928, 1205832, 1462392, 1808748, 1909234, 2411664, 2863851, 2924784, 3617496, 3818468, 5727702, 7234992, 7636936, 8591553, 11455404, 15273872, 17183106, 22910808, 34366212, 45821616, 68732424, 137464848]

約数ペア:

[(1, 137464848), (2, 68732424), (3, 45821616), (4, 34366212), (6, 22910808), (8, 17183106), (9, 15273872), (12, 11455404), (16, 8591553), (18, 7636936), (19, 7234992), (24, 5727702), (36, 3818468), (38, 3617496), (47, 2924784), (48, 2863851), (57, 2411664), (72, 1909234), (76, 1808748), (94, 1462392), (114, 1205832), (141, 974928), (144, 954617), (152, 904374), (171, 803888), (188, 731196), (228, 602916), (282, 487464), (304, 452187), (342, 401944), (376, 365598), (423, 324976), (456, 301458), (564, 243732), (684, 200972), (752, 182799), (846, 162488), (893, 153936), (912, 150729), (1069, 128592), (1128, 121866), (1368, 100486), (1692, 81244), (1786, 76968), (2138, 64296), (2256, 60933), (2679, 51312), (2736, 50243), (3207, 42864), (3384, 40622), (3572, 38484), (4276, 32148), (5358, 25656), (6414, 21432), (6768, 20311), (7144, 19242), (8037, 17104), (8552, 16074), (9621, 14288), (10716, 12828)]