67428080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 95418640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 227, 235, 316, 376, 395, 454, 470, 632, 752, 790, 908, 940, 1135, 1264, 1580, 1816, 1880, 2270, 3160, 3632, 3713, 3760, 4540, 6320, 7426, 9080, 10669, 14852, 17933, 18160, 18565, 21338, 29704, 35866, 37130, 42676, 53345, 59408, 71732, 74260, 85352, 89665, 106690, 143464, 148520, 170704, 179330, 213380, 286928, 297040, 358660, 426760, 717320, 842851, 853520, 1434640, 1685702, 3371404, 4214255, 6742808, 8428510, 13485616, 16857020, 33714040, 67428080]

約数ペア:

[(1, 67428080), (2, 33714040), (4, 16857020), (5, 13485616), (8, 8428510), (10, 6742808), (16, 4214255), (20, 3371404), (40, 1685702), (47, 1434640), (79, 853520), (80, 842851), (94, 717320), (158, 426760), (188, 358660), (227, 297040), (235, 286928), (316, 213380), (376, 179330), (395, 170704), (454, 148520), (470, 143464), (632, 106690), (752, 89665), (790, 85352), (908, 74260), (940, 71732), (1135, 59408), (1264, 53345), (1580, 42676), (1816, 37130), (1880, 35866), (2270, 29704), (3160, 21338), (3632, 18565), (3713, 18160), (3760, 17933), (4540, 14852), (6320, 10669), (7426, 9080)]