71056720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 118931120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 569, 892, 1115, 1138, 1561, 1784, 2230, 2276, 2845, 3122, 3568, 3983, 4460, 4552, 5690, 6244, 7805, 7966, 8920, 9104, 11380, 12488, 15610, 15932, 17840, 19915, 22760, 24976, 31220, 31864, 39830, 45520, 62440, 63728, 79660, 124880, 126887, 159320, 253774, 318640, 507548, 634435, 888209, 1015096, 1268870, 1776418, 2030192, 2537740, 3552836, 4441045, 5075480, 7105672, 8882090, 10150960, 14211344, 17764180, 35528360, 71056720]

約数ペア:

[(1, 71056720), (2, 35528360), (4, 17764180), (5, 14211344), (7, 10150960), (8, 8882090), (10, 7105672), (14, 5075480), (16, 4441045), (20, 3552836), (28, 2537740), (35, 2030192), (40, 1776418), (56, 1268870), (70, 1015096), (80, 888209), (112, 634435), (140, 507548), (223, 318640), (280, 253774), (446, 159320), (560, 126887), (569, 124880), (892, 79660), (1115, 63728), (1138, 62440), (1561, 45520), (1784, 39830), (2230, 31864), (2276, 31220), (2845, 24976), (3122, 22760), (3568, 19915), (3983, 17840), (4460, 15932), (4552, 15610), (5690, 12488), (6244, 11380), (7805, 9104), (7966, 8920)]