1285187328

素因数分解:

$2^8\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4013}}^1$

素因数の和:4174

約数の個数: 108

約数和(自身を含む): 3733100280

約数和(自身を除く): 2447912952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 139, 144, 192, 256, 278, 288, 384, 417, 556, 576, 768, 834, 1112, 1152, 1251, 1668, 2224, 2304, 2502, 3336, 4013, 4448, 5004, 6672, 8026, 8896, 10008, 12039, 13344, 16052, 17792, 20016, 24078, 26688, 32104, 35584, 36117, 40032, 48156, 53376, 64208, 72234, 80064, 96312, 106752, 128416, 144468, 160128, 192624, 256832, 288936, 320256, 385248, 513664, 557807, 577872, 770496, 1027328, 1115614, 1155744, 1540992, 1673421, 2231228, 2311488, 3081984, 3346842, 4462456, 4622976, 5020263, 6693684, 8924912, 9245952, 10040526, 13387368, 17849824, 20081052, 26774736, 35699648, 40162104, 53549472, 71399296, 80324208, 107098944, 142798592, 160648416, 214197888, 321296832, 428395776, 642593664, 1285187328]

約数ペア:

[(1, 1285187328), (2, 642593664), (3, 428395776), (4, 321296832), (6, 214197888), (8, 160648416), (9, 142798592), (12, 107098944), (16, 80324208), (18, 71399296), (24, 53549472), (32, 40162104), (36, 35699648), (48, 26774736), (64, 20081052), (72, 17849824), (96, 13387368), (128, 10040526), (139, 9245952), (144, 8924912), (192, 6693684), (256, 5020263), (278, 4622976), (288, 4462456), (384, 3346842), (417, 3081984), (556, 2311488), (576, 2231228), (768, 1673421), (834, 1540992), (1112, 1155744), (1152, 1115614), (1251, 1027328), (1668, 770496), (2224, 577872), (2304, 557807), (2502, 513664), (3336, 385248), (4013, 320256), (4448, 288936), (5004, 256832), (6672, 192624), (8026, 160128), (8896, 144468), (10008, 128416), (12039, 106752), (13344, 96312), (16052, 80064), (17792, 72234), (20016, 64208), (24078, 53376), (26688, 48156), (32104, 40032), (35584, 36117)]