72733520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 180048000

約数和(自身を除く): 107314480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 439, 545, 760, 872, 878, 1090, 1520, 1744, 1756, 2071, 2180, 2195, 3512, 4142, 4360, 4390, 7024, 8284, 8341, 8720, 8780, 10355, 16568, 16682, 17560, 20710, 33136, 33364, 35120, 41420, 41705, 47851, 66728, 82840, 83410, 95702, 133456, 165680, 166820, 191404, 239255, 333640, 382808, 478510, 667280, 765616, 909169, 957020, 1818338, 1914040, 3636676, 3828080, 4545845, 7273352, 9091690, 14546704, 18183380, 36366760, 72733520]

約数ペア:

[(1, 72733520), (2, 36366760), (4, 18183380), (5, 14546704), (8, 9091690), (10, 7273352), (16, 4545845), (19, 3828080), (20, 3636676), (38, 1914040), (40, 1818338), (76, 957020), (80, 909169), (95, 765616), (109, 667280), (152, 478510), (190, 382808), (218, 333640), (304, 239255), (380, 191404), (436, 166820), (439, 165680), (545, 133456), (760, 95702), (872, 83410), (878, 82840), (1090, 66728), (1520, 47851), (1744, 41705), (1756, 41420), (2071, 35120), (2180, 33364), (2195, 33136), (3512, 20710), (4142, 17560), (4360, 16682), (4390, 16568), (7024, 10355), (8284, 8780), (8341, 8720)]