257443440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 160

約数和(自身を含む): 844231680

約数和(自身を除く): 586788240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 47, 48, 58, 60, 80, 87, 94, 116, 120, 141, 145, 174, 188, 232, 235, 240, 282, 290, 348, 376, 435, 464, 470, 564, 580, 696, 705, 752, 787, 870, 940, 1128, 1160, 1363, 1392, 1410, 1574, 1740, 1880, 2256, 2320, 2361, 2726, 2820, 3148, 3480, 3760, 3935, 4089, 4722, 5452, 5640, 6296, 6815, 6960, 7870, 8178, 9444, 10904, 11280, 11805, 12592, 13630, 15740, 16356, 18888, 20445, 21808, 22823, 23610, 27260, 31480, 32712, 36989, 37776, 40890, 45646, 47220, 54520, 62960, 65424, 68469, 73978, 81780, 91292, 94440, 109040, 110967, 114115, 136938, 147956, 163560, 182584, 184945, 188880, 221934, 228230, 273876, 295912, 327120, 342345, 365168, 369890, 443868, 456460, 547752, 554835, 591824, 684690, 739780, 887736, 912920, 1072681, 1095504, 1109670, 1369380, 1479560, 1775472, 1825840, 2145362, 2219340, 2738760, 2959120, 3218043, 4290724, 4438680, 5363405, 5477520, 6436086, 8581448, 8877360, 10726810, 12872172, 16090215, 17162896, 21453620, 25744344, 32180430, 42907240, 51488688, 64360860, 85814480, 128721720, 257443440]

約数ペア:

[(1, 257443440), (2, 128721720), (3, 85814480), (4, 64360860), (5, 51488688), (6, 42907240), (8, 32180430), (10, 25744344), (12, 21453620), (15, 17162896), (16, 16090215), (20, 12872172), (24, 10726810), (29, 8877360), (30, 8581448), (40, 6436086), (47, 5477520), (48, 5363405), (58, 4438680), (60, 4290724), (80, 3218043), (87, 2959120), (94, 2738760), (116, 2219340), (120, 2145362), (141, 1825840), (145, 1775472), (174, 1479560), (188, 1369380), (232, 1109670), (235, 1095504), (240, 1072681), (282, 912920), (290, 887736), (348, 739780), (376, 684690), (435, 591824), (464, 554835), (470, 547752), (564, 456460), (580, 443868), (696, 369890), (705, 365168), (752, 342345), (787, 327120), (870, 295912), (940, 273876), (1128, 228230), (1160, 221934), (1363, 188880), (1392, 184945), (1410, 182584), (1574, 163560), (1740, 147956), (1880, 136938), (2256, 114115), (2320, 110967), (2361, 109040), (2726, 94440), (2820, 91292), (3148, 81780), (3480, 73978), (3760, 68469), (3935, 65424), (4089, 62960), (4722, 54520), (5452, 47220), (5640, 45646), (6296, 40890), (6815, 37776), (6960, 36989), (7870, 32712), (8178, 31480), (9444, 27260), (10904, 23610), (11280, 22823), (11805, 21808), (12592, 20445), (13630, 18888), (15740, 16356)]