645341256

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{142271}}^1$

素因数の和:142296

約数の個数: 80

約数和(自身を含む): 2065789440

約数和(自身を除く): 1420448184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 142271, 284542, 426813, 569084, 853626, 995897, 1138168, 1280439, 1707252, 1991794, 2560878, 2987691, 3414504, 3841317, 3983588, 5121756, 5975382, 7682634, 7967176, 8963073, 10243512, 11523951, 11950764, 15365268, 17926146, 23047902, 23901528, 26889219, 30730536, 35852292, 46095804, 53778438, 71704584, 80667657, 92191608, 107556876, 161335314, 215113752, 322670628, 645341256]

約数ペア:

[(1, 645341256), (2, 322670628), (3, 215113752), (4, 161335314), (6, 107556876), (7, 92191608), (8, 80667657), (9, 71704584), (12, 53778438), (14, 46095804), (18, 35852292), (21, 30730536), (24, 26889219), (27, 23901528), (28, 23047902), (36, 17926146), (42, 15365268), (54, 11950764), (56, 11523951), (63, 10243512), (72, 8963073), (81, 7967176), (84, 7682634), (108, 5975382), (126, 5121756), (162, 3983588), (168, 3841317), (189, 3414504), (216, 2987691), (252, 2560878), (324, 1991794), (378, 1707252), (504, 1280439), (567, 1138168), (648, 995897), (756, 853626), (1134, 569084), (1512, 426813), (2268, 284542), (4536, 142271)]