81210750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 220147200

約数和(自身を除く): 138936450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 41, 50, 57, 75, 82, 95, 114, 123, 125, 139, 150, 190, 205, 246, 250, 278, 285, 375, 410, 417, 475, 570, 615, 695, 750, 779, 834, 950, 1025, 1230, 1390, 1425, 1558, 2050, 2085, 2337, 2375, 2641, 2850, 3075, 3475, 3895, 4170, 4674, 4750, 5125, 5282, 5699, 6150, 6950, 7125, 7790, 7923, 10250, 10425, 11398, 11685, 13205, 14250, 15375, 15846, 17097, 17375, 19475, 20850, 23370, 26410, 28495, 30750, 34194, 34750, 38950, 39615, 52125, 56990, 58425, 66025, 79230, 85485, 97375, 104250, 108281, 116850, 132050, 142475, 170970, 194750, 198075, 216562, 284950, 292125, 324843, 330125, 396150, 427425, 541405, 584250, 649686, 660250, 712375, 854850, 990375, 1082810, 1424750, 1624215, 1980750, 2137125, 2707025, 3248430, 4274250, 5414050, 8121075, 13535125, 16242150, 27070250, 40605375, 81210750]

約数ペア:

[(1, 81210750), (2, 40605375), (3, 27070250), (5, 16242150), (6, 13535125), (10, 8121075), (15, 5414050), (19, 4274250), (25, 3248430), (30, 2707025), (38, 2137125), (41, 1980750), (50, 1624215), (57, 1424750), (75, 1082810), (82, 990375), (95, 854850), (114, 712375), (123, 660250), (125, 649686), (139, 584250), (150, 541405), (190, 427425), (205, 396150), (246, 330125), (250, 324843), (278, 292125), (285, 284950), (375, 216562), (410, 198075), (417, 194750), (475, 170970), (570, 142475), (615, 132050), (695, 116850), (750, 108281), (779, 104250), (834, 97375), (950, 85485), (1025, 79230), (1230, 66025), (1390, 58425), (1425, 56990), (1558, 52125), (2050, 39615), (2085, 38950), (2337, 34750), (2375, 34194), (2641, 30750), (2850, 28495), (3075, 26410), (3475, 23370), (3895, 20850), (4170, 19475), (4674, 17375), (4750, 17097), (5125, 15846), (5282, 15375), (5699, 14250), (6150, 13205), (6950, 11685), (7125, 11398), (7790, 10425), (7923, 10250)]