666888400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 120

約数和(自身を含む): 1656456480

約数和(自身を除く): 989568080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 83, 100, 106, 166, 200, 212, 265, 332, 379, 400, 415, 424, 530, 664, 758, 830, 848, 1060, 1325, 1328, 1516, 1660, 1895, 2075, 2120, 2650, 3032, 3320, 3790, 4150, 4240, 4399, 5300, 6064, 6640, 7580, 8300, 8798, 9475, 10600, 15160, 16600, 17596, 18950, 20087, 21200, 21995, 30320, 31457, 33200, 35192, 37900, 40174, 43990, 62914, 70384, 75800, 80348, 87980, 100435, 109975, 125828, 151600, 157285, 160696, 175960, 200870, 219950, 251656, 314570, 321392, 351920, 401740, 439900, 502175, 503312, 629140, 786425, 803480, 879800, 1004350, 1258280, 1572850, 1606960, 1667221, 1759600, 2008700, 2516560, 3145700, 3334442, 4017400, 6291400, 6668884, 8034800, 8336105, 12582800, 13337768, 16672210, 26675536, 33344420, 41680525, 66688840, 83361050, 133377680, 166722100, 333444200, 666888400]

約数ペア:

[(1, 666888400), (2, 333444200), (4, 166722100), (5, 133377680), (8, 83361050), (10, 66688840), (16, 41680525), (20, 33344420), (25, 26675536), (40, 16672210), (50, 13337768), (53, 12582800), (80, 8336105), (83, 8034800), (100, 6668884), (106, 6291400), (166, 4017400), (200, 3334442), (212, 3145700), (265, 2516560), (332, 2008700), (379, 1759600), (400, 1667221), (415, 1606960), (424, 1572850), (530, 1258280), (664, 1004350), (758, 879800), (830, 803480), (848, 786425), (1060, 629140), (1325, 503312), (1328, 502175), (1516, 439900), (1660, 401740), (1895, 351920), (2075, 321392), (2120, 314570), (2650, 251656), (3032, 219950), (3320, 200870), (3790, 175960), (4150, 160696), (4240, 157285), (4399, 151600), (5300, 125828), (6064, 109975), (6640, 100435), (7580, 87980), (8300, 80348), (8798, 75800), (9475, 70384), (10600, 62914), (15160, 43990), (16600, 40174), (17596, 37900), (18950, 35192), (20087, 33200), (21200, 31457), (21995, 30320)]