128391200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 363351744

約数和(自身を除く): 234960544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 101, 112, 140, 160, 175, 200, 202, 224, 227, 280, 350, 400, 404, 454, 505, 560, 700, 707, 800, 808, 908, 1010, 1120, 1135, 1400, 1414, 1589, 1616, 1816, 2020, 2270, 2525, 2800, 2828, 3178, 3232, 3535, 3632, 4040, 4540, 5050, 5600, 5656, 5675, 6356, 7070, 7264, 7945, 8080, 9080, 10100, 11312, 11350, 12712, 14140, 15890, 16160, 17675, 18160, 20200, 22624, 22700, 22927, 25424, 28280, 31780, 35350, 36320, 39725, 40400, 45400, 45854, 50848, 56560, 63560, 70700, 79450, 80800, 90800, 91708, 113120, 114635, 127120, 141400, 158900, 160489, 181600, 183416, 229270, 254240, 282800, 317800, 320978, 366832, 458540, 565600, 573175, 635600, 641956, 733664, 802445, 917080, 1146350, 1271200, 1283912, 1604890, 1834160, 2292700, 2567824, 3209780, 3668320, 4012225, 4585400, 5135648, 6419560, 8024450, 9170800, 12839120, 16048900, 18341600, 25678240, 32097800, 64195600, 128391200]

約数ペア:

[(1, 128391200), (2, 64195600), (4, 32097800), (5, 25678240), (7, 18341600), (8, 16048900), (10, 12839120), (14, 9170800), (16, 8024450), (20, 6419560), (25, 5135648), (28, 4585400), (32, 4012225), (35, 3668320), (40, 3209780), (50, 2567824), (56, 2292700), (70, 1834160), (80, 1604890), (100, 1283912), (101, 1271200), (112, 1146350), (140, 917080), (160, 802445), (175, 733664), (200, 641956), (202, 635600), (224, 573175), (227, 565600), (280, 458540), (350, 366832), (400, 320978), (404, 317800), (454, 282800), (505, 254240), (560, 229270), (700, 183416), (707, 181600), (800, 160489), (808, 158900), (908, 141400), (1010, 127120), (1120, 114635), (1135, 113120), (1400, 91708), (1414, 90800), (1589, 80800), (1616, 79450), (1816, 70700), (2020, 63560), (2270, 56560), (2525, 50848), (2800, 45854), (2828, 45400), (3178, 40400), (3232, 39725), (3535, 36320), (3632, 35350), (4040, 31780), (4540, 28280), (5050, 25424), (5600, 22927), (5656, 22700), (5675, 22624), (6356, 20200), (7070, 18160), (7264, 17675), (7945, 16160), (8080, 15890), (9080, 14140), (10100, 12712), (11312, 11350)]