328811840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1016

約数の個数: 112

約数和(自身を含む): 900891264

約数和(自身を除く): 572079424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 181, 224, 280, 320, 362, 448, 560, 724, 811, 905, 1120, 1267, 1448, 1622, 1810, 2240, 2534, 2896, 3244, 3620, 4055, 5068, 5677, 5792, 6335, 6488, 7240, 8110, 10136, 11354, 11584, 12670, 12976, 14480, 16220, 20272, 22708, 25340, 25952, 28385, 28960, 32440, 40544, 45416, 50680, 51904, 56770, 57920, 64880, 81088, 90832, 101360, 113540, 129760, 146791, 181664, 202720, 227080, 259520, 293582, 363328, 405440, 454160, 587164, 733955, 908320, 1027537, 1174328, 1467910, 1816640, 2055074, 2348656, 2935820, 4110148, 4697312, 5137685, 5871640, 8220296, 9394624, 10275370, 11743280, 16440592, 20550740, 23486560, 32881184, 41101480, 46973120, 65762368, 82202960, 164405920, 328811840]

約数ペア:

[(1, 328811840), (2, 164405920), (4, 82202960), (5, 65762368), (7, 46973120), (8, 41101480), (10, 32881184), (14, 23486560), (16, 20550740), (20, 16440592), (28, 11743280), (32, 10275370), (35, 9394624), (40, 8220296), (56, 5871640), (64, 5137685), (70, 4697312), (80, 4110148), (112, 2935820), (140, 2348656), (160, 2055074), (181, 1816640), (224, 1467910), (280, 1174328), (320, 1027537), (362, 908320), (448, 733955), (560, 587164), (724, 454160), (811, 405440), (905, 363328), (1120, 293582), (1267, 259520), (1448, 227080), (1622, 202720), (1810, 181664), (2240, 146791), (2534, 129760), (2896, 113540), (3244, 101360), (3620, 90832), (4055, 81088), (5068, 64880), (5677, 57920), (5792, 56770), (6335, 51904), (6488, 50680), (7240, 45416), (8110, 40544), (10136, 32440), (11354, 28960), (11584, 28385), (12670, 25952), (12976, 25340), (14480, 22708), (16220, 20272)]