578721640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1203

約数の個数: 128

約数和(自身を含む): 1562757120

約数和(自身を除く): 984035480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 217, 244, 248, 280, 305, 310, 427, 434, 488, 610, 620, 854, 868, 1085, 1093, 1220, 1240, 1708, 1736, 1891, 2135, 2170, 2186, 2440, 3416, 3782, 4270, 4340, 4372, 5465, 7564, 7651, 8540, 8680, 8744, 9455, 10930, 13237, 15128, 15302, 17080, 18910, 21860, 26474, 30604, 33883, 37820, 38255, 43720, 52948, 61208, 66185, 66673, 67766, 75640, 76510, 105896, 132370, 133346, 135532, 153020, 169415, 237181, 264740, 266692, 271064, 306040, 333365, 338830, 466711, 474362, 529480, 533384, 666730, 677660, 933422, 948724, 1185905, 1333460, 1355320, 1866844, 1897448, 2066863, 2333555, 2371810, 2666920, 3733688, 4133726, 4667110, 4743620, 8267452, 9334220, 9487240, 10334315, 14468041, 16534904, 18668440, 20668630, 28936082, 41337260, 57872164, 72340205, 82674520, 115744328, 144680410, 289360820, 578721640]

約数ペア:

[(1, 578721640), (2, 289360820), (4, 144680410), (5, 115744328), (7, 82674520), (8, 72340205), (10, 57872164), (14, 41337260), (20, 28936082), (28, 20668630), (31, 18668440), (35, 16534904), (40, 14468041), (56, 10334315), (61, 9487240), (62, 9334220), (70, 8267452), (122, 4743620), (124, 4667110), (140, 4133726), (155, 3733688), (217, 2666920), (244, 2371810), (248, 2333555), (280, 2066863), (305, 1897448), (310, 1866844), (427, 1355320), (434, 1333460), (488, 1185905), (610, 948724), (620, 933422), (854, 677660), (868, 666730), (1085, 533384), (1093, 529480), (1220, 474362), (1240, 466711), (1708, 338830), (1736, 333365), (1891, 306040), (2135, 271064), (2170, 266692), (2186, 264740), (2440, 237181), (3416, 169415), (3782, 153020), (4270, 135532), (4340, 133346), (4372, 132370), (5465, 105896), (7564, 76510), (7651, 75640), (8540, 67766), (8680, 66673), (8744, 66185), (9455, 61208), (10930, 52948), (13237, 43720), (15128, 38255), (15302, 37820), (17080, 33883), (18910, 30604), (21860, 26474)]