16620560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 45418968

約数和(自身を除く): 28798408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 101, 110, 121, 136, 170, 176, 187, 202, 220, 242, 272, 340, 374, 404, 440, 484, 505, 605, 680, 748, 808, 880, 935, 968, 1010, 1111, 1210, 1360, 1496, 1616, 1717, 1870, 1936, 2020, 2057, 2222, 2420, 2992, 3434, 3740, 4040, 4114, 4444, 4840, 5555, 6868, 7480, 8080, 8228, 8585, 8888, 9680, 10285, 11110, 12221, 13736, 14960, 16456, 17170, 17776, 18887, 20570, 22220, 24442, 27472, 32912, 34340, 37774, 41140, 44440, 48884, 61105, 68680, 75548, 82280, 88880, 94435, 97768, 122210, 137360, 151096, 164560, 188870, 195536, 207757, 244420, 302192, 377740, 415514, 488840, 755480, 831028, 977680, 1038785, 1510960, 1662056, 2077570, 3324112, 4155140, 8310280, 16620560]

約数ペア:

[(1, 16620560), (2, 8310280), (4, 4155140), (5, 3324112), (8, 2077570), (10, 1662056), (11, 1510960), (16, 1038785), (17, 977680), (20, 831028), (22, 755480), (34, 488840), (40, 415514), (44, 377740), (55, 302192), (68, 244420), (80, 207757), (85, 195536), (88, 188870), (101, 164560), (110, 151096), (121, 137360), (136, 122210), (170, 97768), (176, 94435), (187, 88880), (202, 82280), (220, 75548), (242, 68680), (272, 61105), (340, 48884), (374, 44440), (404, 41140), (440, 37774), (484, 34340), (505, 32912), (605, 27472), (680, 24442), (748, 22220), (808, 20570), (880, 18887), (935, 17776), (968, 17170), (1010, 16456), (1111, 14960), (1210, 13736), (1360, 12221), (1496, 11110), (1616, 10285), (1717, 9680), (1870, 8888), (1936, 8585), (2020, 8228), (2057, 8080), (2222, 7480), (2420, 6868), (2992, 5555), (3434, 4840), (3740, 4444), (4040, 4114)]