1640874984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2423}}^1$

素因数の和:2607

約数の個数: 128

約数和(自身を含む): 4886784000

約数和(自身を除く): 3245909016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 139, 168, 174, 203, 232, 278, 348, 406, 417, 556, 609, 696, 812, 834, 973, 1112, 1218, 1624, 1668, 1946, 2423, 2436, 2919, 3336, 3892, 4031, 4846, 4872, 5838, 7269, 7784, 8062, 9692, 11676, 12093, 14538, 16124, 16961, 19384, 23352, 24186, 28217, 29076, 32248, 33922, 48372, 50883, 56434, 58152, 67844, 70267, 84651, 96744, 101766, 112868, 135688, 140534, 169302, 203532, 210801, 225736, 281068, 336797, 338604, 407064, 421602, 491869, 562136, 673594, 677208, 843204, 983738, 1010391, 1347188, 1475607, 1686408, 1967476, 2020782, 2357579, 2694376, 2951214, 3934952, 4041564, 4715158, 5902428, 7072737, 8083128, 9430316, 9767113, 11804856, 14145474, 18860632, 19534226, 28290948, 29301339, 39068452, 56581896, 58602678, 68369791, 78136904, 117205356, 136739582, 205109373, 234410712, 273479164, 410218746, 546958328, 820437492, 1640874984]

約数ペア:

[(1, 1640874984), (2, 820437492), (3, 546958328), (4, 410218746), (6, 273479164), (7, 234410712), (8, 205109373), (12, 136739582), (14, 117205356), (21, 78136904), (24, 68369791), (28, 58602678), (29, 56581896), (42, 39068452), (56, 29301339), (58, 28290948), (84, 19534226), (87, 18860632), (116, 14145474), (139, 11804856), (168, 9767113), (174, 9430316), (203, 8083128), (232, 7072737), (278, 5902428), (348, 4715158), (406, 4041564), (417, 3934952), (556, 2951214), (609, 2694376), (696, 2357579), (812, 2020782), (834, 1967476), (973, 1686408), (1112, 1475607), (1218, 1347188), (1624, 1010391), (1668, 983738), (1946, 843204), (2423, 677208), (2436, 673594), (2919, 562136), (3336, 491869), (3892, 421602), (4031, 407064), (4846, 338604), (4872, 336797), (5838, 281068), (7269, 225736), (7784, 210801), (8062, 203532), (9692, 169302), (11676, 140534), (12093, 135688), (14538, 112868), (16124, 101766), (16961, 96744), (19384, 84651), (23352, 70267), (24186, 67844), (28217, 58152), (29076, 56434), (32248, 50883), (33922, 48372)]