102643120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 245520000

約数和(自身を除く): 142876880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 109, 149, 158, 218, 298, 316, 395, 436, 545, 596, 632, 745, 790, 872, 1090, 1192, 1264, 1490, 1580, 1744, 2180, 2384, 2980, 3160, 4360, 5960, 6320, 8611, 8720, 11771, 11920, 16241, 17222, 23542, 32482, 34444, 43055, 47084, 58855, 64964, 68888, 81205, 86110, 94168, 117710, 129928, 137776, 162410, 172220, 188336, 235420, 259856, 324820, 344440, 470840, 649640, 688880, 941680, 1283039, 1299280, 2566078, 5132156, 6415195, 10264312, 12830390, 20528624, 25660780, 51321560, 102643120]

約数ペア:

[(1, 102643120), (2, 51321560), (4, 25660780), (5, 20528624), (8, 12830390), (10, 10264312), (16, 6415195), (20, 5132156), (40, 2566078), (79, 1299280), (80, 1283039), (109, 941680), (149, 688880), (158, 649640), (218, 470840), (298, 344440), (316, 324820), (395, 259856), (436, 235420), (545, 188336), (596, 172220), (632, 162410), (745, 137776), (790, 129928), (872, 117710), (1090, 94168), (1192, 86110), (1264, 81205), (1490, 68888), (1580, 64964), (1744, 58855), (2180, 47084), (2384, 43055), (2980, 34444), (3160, 32482), (4360, 23542), (5960, 17222), (6320, 16241), (8611, 11920), (8720, 11771)]