64085560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20807}}^1$

素因数の和:20836

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 115695560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 20807, 41614, 83228, 104035, 145649, 166456, 208070, 228877, 291298, 416140, 457754, 582596, 728245, 832280, 915508, 1144385, 1165192, 1456490, 1602139, 1831016, 2288770, 2912980, 3204278, 4577540, 5825960, 6408556, 8010695, 9155080, 12817112, 16021390, 32042780, 64085560]

約数ペア:

[(1, 64085560), (2, 32042780), (4, 16021390), (5, 12817112), (7, 9155080), (8, 8010695), (10, 6408556), (11, 5825960), (14, 4577540), (20, 3204278), (22, 2912980), (28, 2288770), (35, 1831016), (40, 1602139), (44, 1456490), (55, 1165192), (56, 1144385), (70, 915508), (77, 832280), (88, 728245), (110, 582596), (140, 457754), (154, 416140), (220, 291298), (280, 228877), (308, 208070), (385, 166456), (440, 145649), (616, 104035), (770, 83228), (1540, 41614), (3080, 20807)]