140722640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 340692480

約数和(自身を除く): 199969840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 317, 358, 496, 620, 634, 716, 895, 1240, 1268, 1432, 1585, 1790, 2480, 2536, 2864, 3170, 3580, 5072, 5549, 6340, 7160, 9827, 11098, 12680, 14320, 19654, 22196, 25360, 27745, 39308, 44392, 49135, 55490, 56743, 78616, 88784, 98270, 110980, 113486, 157232, 196540, 221960, 226972, 283715, 393080, 443920, 453944, 567430, 786160, 907888, 1134860, 1759033, 2269720, 3518066, 4539440, 7036132, 8795165, 14072264, 17590330, 28144528, 35180660, 70361320, 140722640]

約数ペア:

[(1, 140722640), (2, 70361320), (4, 35180660), (5, 28144528), (8, 17590330), (10, 14072264), (16, 8795165), (20, 7036132), (31, 4539440), (40, 3518066), (62, 2269720), (80, 1759033), (124, 1134860), (155, 907888), (179, 786160), (248, 567430), (310, 453944), (317, 443920), (358, 393080), (496, 283715), (620, 226972), (634, 221960), (716, 196540), (895, 157232), (1240, 113486), (1268, 110980), (1432, 98270), (1585, 88784), (1790, 78616), (2480, 56743), (2536, 55490), (2864, 49135), (3170, 44392), (3580, 39308), (5072, 27745), (5549, 25360), (6340, 22196), (7160, 19654), (9827, 14320), (11098, 12680)]