400327920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{20593}}^1$

素因数の和:20621

約数の個数: 120

約数和(自身を含む): 1394296176

約数和(自身を除く): 993968256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 20593, 41186, 61779, 82372, 102965, 123558, 164744, 185337, 205930, 247116, 308895, 329488, 370674, 411860, 494232, 556011, 617790, 741348, 823720, 926685, 988464, 1112022, 1235580, 1482696, 1647440, 1668033, 1853370, 2224044, 2471160, 2780055, 2965392, 3336066, 3706740, 4448088, 4942320, 5004099, 5560110, 6672132, 7413480, 8340165, 8896176, 10008198, 11120220, 13344264, 14826960, 16680330, 20016396, 22240440, 25020495, 26688528, 33360660, 40032792, 44480880, 50040990, 66721320, 80065584, 100081980, 133442640, 200163960, 400327920]

約数ペア:

[(1, 400327920), (2, 200163960), (3, 133442640), (4, 100081980), (5, 80065584), (6, 66721320), (8, 50040990), (9, 44480880), (10, 40032792), (12, 33360660), (15, 26688528), (16, 25020495), (18, 22240440), (20, 20016396), (24, 16680330), (27, 14826960), (30, 13344264), (36, 11120220), (40, 10008198), (45, 8896176), (48, 8340165), (54, 7413480), (60, 6672132), (72, 5560110), (80, 5004099), (81, 4942320), (90, 4448088), (108, 3706740), (120, 3336066), (135, 2965392), (144, 2780055), (162, 2471160), (180, 2224044), (216, 1853370), (240, 1668033), (243, 1647440), (270, 1482696), (324, 1235580), (360, 1112022), (405, 988464), (432, 926685), (486, 823720), (540, 741348), (648, 617790), (720, 556011), (810, 494232), (972, 411860), (1080, 370674), (1215, 329488), (1296, 308895), (1620, 247116), (1944, 205930), (2160, 185337), (2430, 164744), (3240, 123558), (3888, 102965), (4860, 82372), (6480, 61779), (9720, 41186), (19440, 20593)]