218185360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 564338880

約数和(自身を除く): 346153520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 79, 80, 92, 95, 115, 152, 158, 184, 190, 230, 304, 316, 368, 380, 395, 437, 460, 632, 760, 790, 874, 920, 1264, 1501, 1520, 1580, 1748, 1817, 1840, 2185, 3002, 3160, 3496, 3634, 4370, 6004, 6241, 6320, 6992, 7268, 7505, 8740, 9085, 12008, 12482, 14536, 15010, 17480, 18170, 24016, 24964, 29072, 30020, 31205, 34523, 34960, 36340, 49928, 60040, 62410, 69046, 72680, 99856, 118579, 120080, 124820, 138092, 143543, 145360, 172615, 237158, 249640, 276184, 287086, 345230, 474316, 499280, 552368, 574172, 592895, 690460, 717715, 948632, 1148344, 1185790, 1380920, 1435430, 1897264, 2296688, 2371580, 2727317, 2761840, 2870860, 4743160, 5454634, 5741720, 9486320, 10909268, 11483440, 13636585, 21818536, 27273170, 43637072, 54546340, 109092680, 218185360]

約数ペア:

[(1, 218185360), (2, 109092680), (4, 54546340), (5, 43637072), (8, 27273170), (10, 21818536), (16, 13636585), (19, 11483440), (20, 10909268), (23, 9486320), (38, 5741720), (40, 5454634), (46, 4743160), (76, 2870860), (79, 2761840), (80, 2727317), (92, 2371580), (95, 2296688), (115, 1897264), (152, 1435430), (158, 1380920), (184, 1185790), (190, 1148344), (230, 948632), (304, 717715), (316, 690460), (368, 592895), (380, 574172), (395, 552368), (437, 499280), (460, 474316), (632, 345230), (760, 287086), (790, 276184), (874, 249640), (920, 237158), (1264, 172615), (1501, 145360), (1520, 143543), (1580, 138092), (1748, 124820), (1817, 120080), (1840, 118579), (2185, 99856), (3002, 72680), (3160, 69046), (3496, 62410), (3634, 60040), (4370, 49928), (6004, 36340), (6241, 34960), (6320, 34523), (6992, 31205), (7268, 30020), (7505, 29072), (8740, 24964), (9085, 24016), (12008, 18170), (12482, 17480), (14536, 15010)]