68376520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 159168240

約数和(自身を除く): 90791720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 173, 205, 241, 328, 346, 410, 482, 692, 820, 865, 964, 1205, 1384, 1640, 1730, 1928, 2410, 3460, 4820, 6920, 7093, 9640, 9881, 14186, 19762, 28372, 35465, 39524, 41693, 49405, 56744, 70930, 79048, 83386, 98810, 141860, 166772, 197620, 208465, 283720, 333544, 395240, 416930, 833860, 1667720, 1709413, 3418826, 6837652, 8547065, 13675304, 17094130, 34188260, 68376520]

約数ペア:

[(1, 68376520), (2, 34188260), (4, 17094130), (5, 13675304), (8, 8547065), (10, 6837652), (20, 3418826), (40, 1709413), (41, 1667720), (82, 833860), (164, 416930), (173, 395240), (205, 333544), (241, 283720), (328, 208465), (346, 197620), (410, 166772), (482, 141860), (692, 98810), (820, 83386), (865, 79048), (964, 70930), (1205, 56744), (1384, 49405), (1640, 41693), (1730, 39524), (1928, 35465), (2410, 28372), (3460, 19762), (4820, 14186), (6920, 9881), (7093, 9640)]