1285282680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20717}}^1$

素因数の和:20789

約数の個数: 128

約数和(自身を含む): 4296084480

約数和(自身を除く): 3010801800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 4136, 5170, 5640, 6204, 7755, 10340, 12408, 15510, 20680, 20717, 31020, 41434, 62040, 62151, 82868, 103585, 124302, 165736, 207170, 227887, 248604, 310755, 414340, 455774, 497208, 621510, 683661, 828680, 911548, 973699, 1139435, 1243020, 1367322, 1823096, 1947398, 2278870, 2486040, 2734644, 2921097, 3418305, 3894796, 4557740, 4868495, 5469288, 5842194, 6836610, 7789592, 9115480, 9736990, 10710689, 11684388, 13673220, 14605485, 19473980, 21421378, 23368776, 27346440, 29210970, 32132067, 38947960, 42842756, 53553445, 58421940, 64264134, 85685512, 107106890, 116843880, 128528268, 160660335, 214213780, 257056536, 321320670, 428427560, 642641340, 1285282680]

約数ペア:

[(1, 1285282680), (2, 642641340), (3, 428427560), (4, 321320670), (5, 257056536), (6, 214213780), (8, 160660335), (10, 128528268), (11, 116843880), (12, 107106890), (15, 85685512), (20, 64264134), (22, 58421940), (24, 53553445), (30, 42842756), (33, 38947960), (40, 32132067), (44, 29210970), (47, 27346440), (55, 23368776), (60, 21421378), (66, 19473980), (88, 14605485), (94, 13673220), (110, 11684388), (120, 10710689), (132, 9736990), (141, 9115480), (165, 7789592), (188, 6836610), (220, 5842194), (235, 5469288), (264, 4868495), (282, 4557740), (330, 3894796), (376, 3418305), (440, 2921097), (470, 2734644), (517, 2486040), (564, 2278870), (660, 1947398), (705, 1823096), (940, 1367322), (1034, 1243020), (1128, 1139435), (1320, 973699), (1410, 911548), (1551, 828680), (1880, 683661), (2068, 621510), (2585, 497208), (2820, 455774), (3102, 414340), (4136, 310755), (5170, 248604), (5640, 227887), (6204, 207170), (7755, 165736), (10340, 124302), (12408, 103585), (15510, 82868), (20680, 62151), (20717, 62040), (31020, 41434)]