628791040

素因数分解:

$2^8\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1061}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 1510826688

約数和(自身を除く): 882035648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 463, 640, 926, 1061, 1280, 1852, 2122, 2315, 3704, 4244, 4630, 5305, 7408, 8488, 9260, 10610, 14816, 16976, 18520, 21220, 29632, 33952, 37040, 42440, 59264, 67904, 74080, 84880, 118528, 135808, 148160, 169760, 271616, 296320, 339520, 491243, 592640, 679040, 982486, 1358080, 1964972, 2456215, 3929944, 4912430, 7859888, 9824860, 15719776, 19649720, 31439552, 39299440, 62879104, 78598880, 125758208, 157197760, 314395520, 628791040]

約数ペア:

[(1, 628791040), (2, 314395520), (4, 157197760), (5, 125758208), (8, 78598880), (10, 62879104), (16, 39299440), (20, 31439552), (32, 19649720), (40, 15719776), (64, 9824860), (80, 7859888), (128, 4912430), (160, 3929944), (256, 2456215), (320, 1964972), (463, 1358080), (640, 982486), (926, 679040), (1061, 592640), (1280, 491243), (1852, 339520), (2122, 296320), (2315, 271616), (3704, 169760), (4244, 148160), (4630, 135808), (5305, 118528), (7408, 84880), (8488, 74080), (9260, 67904), (10610, 59264), (14816, 42440), (16976, 37040), (18520, 33952), (21220, 29632)]