121256928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 375626160

約数和(自身を除く): 254369232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 139, 144, 156, 208, 233, 234, 278, 288, 312, 416, 417, 466, 468, 556, 624, 699, 834, 932, 936, 1112, 1248, 1251, 1398, 1668, 1807, 1864, 1872, 2097, 2224, 2502, 2796, 3029, 3336, 3614, 3728, 3744, 4194, 4448, 5004, 5421, 5592, 6058, 6672, 7228, 7456, 8388, 9087, 10008, 10842, 11184, 12116, 13344, 14456, 16263, 16776, 18174, 20016, 21684, 22368, 24232, 27261, 28912, 32387, 32526, 33552, 36348, 40032, 43368, 48464, 54522, 57824, 64774, 65052, 67104, 72696, 86736, 96928, 97161, 109044, 129548, 130104, 145392, 173472, 194322, 218088, 259096, 260208, 290784, 291483, 388644, 421031, 436176, 518192, 520416, 582966, 777288, 842062, 872352, 1036384, 1165932, 1263093, 1554576, 1684124, 2331864, 2526186, 3109152, 3368248, 3789279, 4663728, 5052372, 6736496, 7578558, 9327456, 10104744, 13472992, 15157116, 20209488, 30314232, 40418976, 60628464, 121256928]

約数ペア:

[(1, 121256928), (2, 60628464), (3, 40418976), (4, 30314232), (6, 20209488), (8, 15157116), (9, 13472992), (12, 10104744), (13, 9327456), (16, 7578558), (18, 6736496), (24, 5052372), (26, 4663728), (32, 3789279), (36, 3368248), (39, 3109152), (48, 2526186), (52, 2331864), (72, 1684124), (78, 1554576), (96, 1263093), (104, 1165932), (117, 1036384), (139, 872352), (144, 842062), (156, 777288), (208, 582966), (233, 520416), (234, 518192), (278, 436176), (288, 421031), (312, 388644), (416, 291483), (417, 290784), (466, 260208), (468, 259096), (556, 218088), (624, 194322), (699, 173472), (834, 145392), (932, 130104), (936, 129548), (1112, 109044), (1248, 97161), (1251, 96928), (1398, 86736), (1668, 72696), (1807, 67104), (1864, 65052), (1872, 64774), (2097, 57824), (2224, 54522), (2502, 48464), (2796, 43368), (3029, 40032), (3336, 36348), (3614, 33552), (3728, 32526), (3744, 32387), (4194, 28912), (4448, 27261), (5004, 24232), (5421, 22368), (5592, 21684), (6058, 20016), (6672, 18174), (7228, 16776), (7456, 16263), (8388, 14456), (9087, 13344), (10008, 12116), (10842, 11184)]