81585816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 150657384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 71, 78, 87, 104, 116, 127, 142, 156, 174, 213, 232, 254, 284, 312, 348, 377, 381, 426, 508, 568, 696, 754, 762, 852, 923, 1016, 1131, 1508, 1524, 1651, 1704, 1846, 2059, 2262, 2769, 3016, 3048, 3302, 3683, 3692, 4118, 4524, 4953, 5538, 6177, 6604, 7366, 7384, 8236, 9017, 9048, 9906, 11049, 11076, 12354, 13208, 14732, 16472, 18034, 19812, 22098, 22152, 24708, 26767, 27051, 29464, 36068, 39624, 44196, 47879, 49416, 53534, 54102, 72136, 80301, 88392, 95758, 107068, 108204, 117221, 143637, 160602, 191516, 214136, 216408, 234442, 261493, 287274, 321204, 351663, 383032, 468884, 522986, 574548, 642408, 703326, 784479, 937768, 1045972, 1149096, 1406652, 1568958, 2091944, 2813304, 3137916, 3399409, 6275832, 6798818, 10198227, 13597636, 20396454, 27195272, 40792908, 81585816]

約数ペア:

[(1, 81585816), (2, 40792908), (3, 27195272), (4, 20396454), (6, 13597636), (8, 10198227), (12, 6798818), (13, 6275832), (24, 3399409), (26, 3137916), (29, 2813304), (39, 2091944), (52, 1568958), (58, 1406652), (71, 1149096), (78, 1045972), (87, 937768), (104, 784479), (116, 703326), (127, 642408), (142, 574548), (156, 522986), (174, 468884), (213, 383032), (232, 351663), (254, 321204), (284, 287274), (312, 261493), (348, 234442), (377, 216408), (381, 214136), (426, 191516), (508, 160602), (568, 143637), (696, 117221), (754, 108204), (762, 107068), (852, 95758), (923, 88392), (1016, 80301), (1131, 72136), (1508, 54102), (1524, 53534), (1651, 49416), (1704, 47879), (1846, 44196), (2059, 39624), (2262, 36068), (2769, 29464), (3016, 27051), (3048, 26767), (3302, 24708), (3683, 22152), (3692, 22098), (4118, 19812), (4524, 18034), (4953, 16472), (5538, 14732), (6177, 13208), (6604, 12354), (7366, 11076), (7384, 11049), (8236, 9906), (9017, 9048)]