80484880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 216129024

約数和(自身を除く): 135644144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1423, 1616, 2020, 2828, 2846, 3535, 4040, 5656, 5692, 7070, 7115, 8080, 9961, 11312, 11384, 14140, 14230, 19922, 22768, 28280, 28460, 39844, 49805, 56560, 56920, 79688, 99610, 113840, 143723, 159376, 199220, 287446, 398440, 574892, 718615, 796880, 1006061, 1149784, 1437230, 2012122, 2299568, 2874460, 4024244, 5030305, 5748920, 8048488, 10060610, 11497840, 16096976, 20121220, 40242440, 80484880]

約数ペア:

[(1, 80484880), (2, 40242440), (4, 20121220), (5, 16096976), (7, 11497840), (8, 10060610), (10, 8048488), (14, 5748920), (16, 5030305), (20, 4024244), (28, 2874460), (35, 2299568), (40, 2012122), (56, 1437230), (70, 1149784), (80, 1006061), (101, 796880), (112, 718615), (140, 574892), (202, 398440), (280, 287446), (404, 199220), (505, 159376), (560, 143723), (707, 113840), (808, 99610), (1010, 79688), (1414, 56920), (1423, 56560), (1616, 49805), (2020, 39844), (2828, 28460), (2846, 28280), (3535, 22768), (4040, 19922), (5656, 14230), (5692, 14140), (7070, 11384), (7115, 11312), (8080, 9961)]