66025540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 163318680

約数和(自身を除く): 97293140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 757, 890, 980, 1246, 1514, 1780, 2492, 3028, 3115, 3785, 4361, 5299, 6230, 7570, 8722, 10598, 12460, 15140, 17444, 21196, 21805, 26495, 37093, 43610, 52990, 67373, 74186, 87220, 105980, 134746, 148372, 185465, 269492, 336865, 370930, 471611, 673730, 741860, 943222, 1347460, 1886444, 2358055, 3301277, 4716110, 6602554, 9432220, 13205108, 16506385, 33012770, 66025540]

約数ペア:

[(1, 66025540), (2, 33012770), (4, 16506385), (5, 13205108), (7, 9432220), (10, 6602554), (14, 4716110), (20, 3301277), (28, 2358055), (35, 1886444), (49, 1347460), (70, 943222), (89, 741860), (98, 673730), (140, 471611), (178, 370930), (196, 336865), (245, 269492), (356, 185465), (445, 148372), (490, 134746), (623, 105980), (757, 87220), (890, 74186), (980, 67373), (1246, 52990), (1514, 43610), (1780, 37093), (2492, 26495), (3028, 21805), (3115, 21196), (3785, 17444), (4361, 15140), (5299, 12460), (6230, 10598), (7570, 8722)]