15844240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 39283200

約数和(自身を除く): 23438960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 109, 115, 158, 184, 218, 230, 316, 368, 395, 436, 460, 545, 632, 790, 872, 920, 1090, 1264, 1580, 1744, 1817, 1840, 2180, 2507, 3160, 3634, 4360, 5014, 6320, 7268, 8611, 8720, 9085, 10028, 12535, 14536, 17222, 18170, 20056, 25070, 29072, 34444, 36340, 40112, 43055, 50140, 68888, 72680, 86110, 100280, 137776, 145360, 172220, 198053, 200560, 344440, 396106, 688880, 792212, 990265, 1584424, 1980530, 3168848, 3961060, 7922120, 15844240]

約数ペア:

[(1, 15844240), (2, 7922120), (4, 3961060), (5, 3168848), (8, 1980530), (10, 1584424), (16, 990265), (20, 792212), (23, 688880), (40, 396106), (46, 344440), (79, 200560), (80, 198053), (92, 172220), (109, 145360), (115, 137776), (158, 100280), (184, 86110), (218, 72680), (230, 68888), (316, 50140), (368, 43055), (395, 40112), (436, 36340), (460, 34444), (545, 29072), (632, 25070), (790, 20056), (872, 18170), (920, 17222), (1090, 14536), (1264, 12535), (1580, 10028), (1744, 9085), (1817, 8720), (1840, 8611), (2180, 7268), (2507, 6320), (3160, 5014), (3634, 4360)]