131271560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12671}}^1$

素因数の和:12726

約数の個数: 64

約数和(自身を含む): 346705920

約数和(自身を除く): 215434360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 12671, 25342, 50684, 63355, 88697, 101368, 126710, 177394, 253420, 354788, 443485, 468827, 506840, 709576, 886970, 937654, 1773940, 1875308, 2344135, 3281789, 3547880, 3750616, 4688270, 6563578, 9376540, 13127156, 16408945, 18753080, 26254312, 32817890, 65635780, 131271560]

約数ペア:

[(1, 131271560), (2, 65635780), (4, 32817890), (5, 26254312), (7, 18753080), (8, 16408945), (10, 13127156), (14, 9376540), (20, 6563578), (28, 4688270), (35, 3750616), (37, 3547880), (40, 3281789), (56, 2344135), (70, 1875308), (74, 1773940), (140, 937654), (148, 886970), (185, 709576), (259, 506840), (280, 468827), (296, 443485), (370, 354788), (518, 253420), (740, 177394), (1036, 126710), (1295, 101368), (1480, 88697), (2072, 63355), (2590, 50684), (5180, 25342), (10360, 12671)]