81362640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7213}}^1$

素因数の和:7276

約数の個数: 80

約数和(自身を含む): 257626368

約数和(自身を除く): 176263728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 7213, 11280, 14426, 21639, 28852, 36065, 43278, 57704, 72130, 86556, 108195, 115408, 144260, 173112, 216390, 288520, 339011, 346224, 432780, 577040, 678022, 865560, 1017033, 1356044, 1695055, 1731120, 2034066, 2712088, 3390110, 4068132, 5085165, 5424176, 6780220, 8136264, 10170330, 13560440, 16272528, 20340660, 27120880, 40681320, 81362640]

約数ペア:

[(1, 81362640), (2, 40681320), (3, 27120880), (4, 20340660), (5, 16272528), (6, 13560440), (8, 10170330), (10, 8136264), (12, 6780220), (15, 5424176), (16, 5085165), (20, 4068132), (24, 3390110), (30, 2712088), (40, 2034066), (47, 1731120), (48, 1695055), (60, 1356044), (80, 1017033), (94, 865560), (120, 678022), (141, 577040), (188, 432780), (235, 346224), (240, 339011), (282, 288520), (376, 216390), (470, 173112), (564, 144260), (705, 115408), (752, 108195), (940, 86556), (1128, 72130), (1410, 57704), (1880, 43278), (2256, 36065), (2820, 28852), (3760, 21639), (5640, 14426), (7213, 11280)]