627814960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 1502841312

約数和(自身を除く): 875026352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 277, 328, 410, 554, 656, 691, 820, 1108, 1382, 1385, 1640, 2216, 2764, 2770, 3280, 3455, 4432, 5528, 5540, 6910, 11056, 11080, 11357, 13820, 22160, 22714, 27640, 28331, 45428, 55280, 56662, 56785, 90856, 113324, 113570, 141655, 181712, 191407, 226648, 227140, 283310, 382814, 453296, 454280, 566620, 765628, 908560, 957035, 1133240, 1531256, 1914070, 2266480, 3062512, 3828140, 7656280, 7847687, 15312560, 15695374, 31390748, 39238435, 62781496, 78476870, 125562992, 156953740, 313907480, 627814960]

約数ペア:

[(1, 627814960), (2, 313907480), (4, 156953740), (5, 125562992), (8, 78476870), (10, 62781496), (16, 39238435), (20, 31390748), (40, 15695374), (41, 15312560), (80, 7847687), (82, 7656280), (164, 3828140), (205, 3062512), (277, 2266480), (328, 1914070), (410, 1531256), (554, 1133240), (656, 957035), (691, 908560), (820, 765628), (1108, 566620), (1382, 454280), (1385, 453296), (1640, 382814), (2216, 283310), (2764, 227140), (2770, 226648), (3280, 191407), (3455, 181712), (4432, 141655), (5528, 113570), (5540, 113324), (6910, 90856), (11056, 56785), (11080, 56662), (11357, 55280), (13820, 45428), (22160, 28331), (22714, 27640)]