209458560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1008

約数の個数: 128

約数和(自身を含む): 673689600

約数和(自身を除く): 464231040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 859, 960, 1016, 1270, 1524, 1718, 1905, 1920, 2032, 2540, 2577, 3048, 3436, 3810, 4064, 4295, 5080, 5154, 6096, 6872, 7620, 8128, 8590, 10160, 10308, 12192, 12885, 13744, 15240, 16256, 17180, 20320, 20616, 24384, 25770, 27488, 30480, 34360, 40640, 41232, 48768, 51540, 54976, 60960, 68720, 81280, 82464, 103080, 109093, 109952, 121920, 137440, 164928, 206160, 218186, 243840, 274880, 327279, 329856, 412320, 436372, 545465, 549760, 654558, 824640, 872744, 1090930, 1309116, 1636395, 1649280, 1745488, 2181860, 2618232, 3272790, 3490976, 4363720, 5236464, 6545580, 6981952, 8727440, 10472928, 13091160, 13963904, 17454880, 20945856, 26182320, 34909760, 41891712, 52364640, 69819520, 104729280, 209458560]

約数ペア:

[(1, 209458560), (2, 104729280), (3, 69819520), (4, 52364640), (5, 41891712), (6, 34909760), (8, 26182320), (10, 20945856), (12, 17454880), (15, 13963904), (16, 13091160), (20, 10472928), (24, 8727440), (30, 6981952), (32, 6545580), (40, 5236464), (48, 4363720), (60, 3490976), (64, 3272790), (80, 2618232), (96, 2181860), (120, 1745488), (127, 1649280), (128, 1636395), (160, 1309116), (192, 1090930), (240, 872744), (254, 824640), (320, 654558), (381, 549760), (384, 545465), (480, 436372), (508, 412320), (635, 329856), (640, 327279), (762, 274880), (859, 243840), (960, 218186), (1016, 206160), (1270, 164928), (1524, 137440), (1718, 121920), (1905, 109952), (1920, 109093), (2032, 103080), (2540, 82464), (2577, 81280), (3048, 68720), (3436, 60960), (3810, 54976), (4064, 51540), (4295, 48768), (5080, 41232), (5154, 40640), (6096, 34360), (6872, 30480), (7620, 27488), (8128, 25770), (8590, 24384), (10160, 20616), (10308, 20320), (12192, 17180), (12885, 16256), (13744, 15240)]