261683280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5119}}^1$

素因数の和:5209

約数の個数: 120

約数和(自身を含む): 891371520

約数和(自身を除く): 629688240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5119, 5680, 6390, 8520, 10224, 10238, 12780, 15357, 17040, 20476, 25560, 25595, 30714, 40952, 46071, 51120, 51190, 61428, 76785, 81904, 92142, 102380, 122856, 153570, 184284, 204760, 230355, 245712, 307140, 363449, 368568, 409520, 460710, 614280, 726898, 737136, 921420, 1090347, 1228560, 1453796, 1817245, 1842840, 2180694, 2907592, 3271041, 3634490, 3685680, 4361388, 5451735, 5815184, 6542082, 7268980, 8722776, 10903470, 13084164, 14537960, 16355205, 17445552, 21806940, 26168328, 29075920, 32710410, 43613880, 52336656, 65420820, 87227760, 130841640, 261683280]

約数ペア:

[(1, 261683280), (2, 130841640), (3, 87227760), (4, 65420820), (5, 52336656), (6, 43613880), (8, 32710410), (9, 29075920), (10, 26168328), (12, 21806940), (15, 17445552), (16, 16355205), (18, 14537960), (20, 13084164), (24, 10903470), (30, 8722776), (36, 7268980), (40, 6542082), (45, 5815184), (48, 5451735), (60, 4361388), (71, 3685680), (72, 3634490), (80, 3271041), (90, 2907592), (120, 2180694), (142, 1842840), (144, 1817245), (180, 1453796), (213, 1228560), (240, 1090347), (284, 921420), (355, 737136), (360, 726898), (426, 614280), (568, 460710), (639, 409520), (710, 368568), (720, 363449), (852, 307140), (1065, 245712), (1136, 230355), (1278, 204760), (1420, 184284), (1704, 153570), (2130, 122856), (2556, 102380), (2840, 92142), (3195, 81904), (3408, 76785), (4260, 61428), (5112, 51190), (5119, 51120), (5680, 46071), (6390, 40952), (8520, 30714), (10224, 25595), (10238, 25560), (12780, 20476), (15357, 17040)]