66278960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 174551328

約数和(自身を除く): 108272368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 167, 176, 205, 220, 242, 328, 334, 410, 440, 451, 484, 605, 656, 668, 820, 835, 880, 902, 968, 1210, 1336, 1640, 1670, 1804, 1837, 1936, 2255, 2420, 2672, 3280, 3340, 3608, 3674, 4510, 4840, 4961, 6680, 6847, 7216, 7348, 9020, 9185, 9680, 9922, 13360, 13694, 14696, 18040, 18370, 19844, 20207, 24805, 27388, 29392, 34235, 36080, 36740, 39688, 40414, 49610, 54776, 68470, 73480, 75317, 79376, 80828, 99220, 101035, 109552, 136940, 146960, 150634, 161656, 198440, 202070, 273880, 301268, 323312, 376585, 396880, 404140, 547760, 602536, 753170, 808280, 828487, 1205072, 1506340, 1616560, 1656974, 3012680, 3313948, 4142435, 6025360, 6627896, 8284870, 13255792, 16569740, 33139480, 66278960]

約数ペア:

[(1, 66278960), (2, 33139480), (4, 16569740), (5, 13255792), (8, 8284870), (10, 6627896), (11, 6025360), (16, 4142435), (20, 3313948), (22, 3012680), (40, 1656974), (41, 1616560), (44, 1506340), (55, 1205072), (80, 828487), (82, 808280), (88, 753170), (110, 602536), (121, 547760), (164, 404140), (167, 396880), (176, 376585), (205, 323312), (220, 301268), (242, 273880), (328, 202070), (334, 198440), (410, 161656), (440, 150634), (451, 146960), (484, 136940), (605, 109552), (656, 101035), (668, 99220), (820, 80828), (835, 79376), (880, 75317), (902, 73480), (968, 68470), (1210, 54776), (1336, 49610), (1640, 40414), (1670, 39688), (1804, 36740), (1837, 36080), (1936, 34235), (2255, 29392), (2420, 27388), (2672, 24805), (3280, 20207), (3340, 19844), (3608, 18370), (3674, 18040), (4510, 14696), (4840, 13694), (4961, 13360), (6680, 9922), (6847, 9680), (7216, 9185), (7348, 9020)]