66349880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 154967040

約数和(自身を除く): 88617160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 353, 370, 508, 635, 706, 740, 1016, 1270, 1412, 1480, 1765, 2540, 2824, 3530, 4699, 5080, 7060, 9398, 13061, 14120, 18796, 23495, 26122, 37592, 44831, 46990, 52244, 65305, 89662, 93980, 104488, 130610, 179324, 187960, 224155, 261220, 358648, 448310, 522440, 896620, 1658747, 1793240, 3317494, 6634988, 8293735, 13269976, 16587470, 33174940, 66349880]

約数ペア:

[(1, 66349880), (2, 33174940), (4, 16587470), (5, 13269976), (8, 8293735), (10, 6634988), (20, 3317494), (37, 1793240), (40, 1658747), (74, 896620), (127, 522440), (148, 448310), (185, 358648), (254, 261220), (296, 224155), (353, 187960), (370, 179324), (508, 130610), (635, 104488), (706, 93980), (740, 89662), (1016, 65305), (1270, 52244), (1412, 46990), (1480, 44831), (1765, 37592), (2540, 26122), (2824, 23495), (3530, 18796), (4699, 14120), (5080, 13061), (7060, 9398)]