30723280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 82744704

約数和(自身を除く): 52021424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 661, 664, 830, 1162, 1322, 1328, 1660, 2324, 2644, 2905, 3305, 3320, 4627, 4648, 5288, 5810, 6610, 6640, 9254, 9296, 10576, 11620, 13220, 18508, 23135, 23240, 26440, 37016, 46270, 46480, 52880, 54863, 74032, 92540, 109726, 185080, 219452, 274315, 370160, 384041, 438904, 548630, 768082, 877808, 1097260, 1536164, 1920205, 2194520, 3072328, 3840410, 4389040, 6144656, 7680820, 15361640, 30723280]

約数ペア:

[(1, 30723280), (2, 15361640), (4, 7680820), (5, 6144656), (7, 4389040), (8, 3840410), (10, 3072328), (14, 2194520), (16, 1920205), (20, 1536164), (28, 1097260), (35, 877808), (40, 768082), (56, 548630), (70, 438904), (80, 384041), (83, 370160), (112, 274315), (140, 219452), (166, 185080), (280, 109726), (332, 92540), (415, 74032), (560, 54863), (581, 52880), (661, 46480), (664, 46270), (830, 37016), (1162, 26440), (1322, 23240), (1328, 23135), (1660, 18508), (2324, 13220), (2644, 11620), (2905, 10576), (3305, 9296), (3320, 9254), (4627, 6640), (4648, 6610), (5288, 5810)]