15966140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 19656580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 569, 610, 1138, 1220, 1403, 2276, 2806, 2845, 5612, 5690, 7015, 11380, 13087, 14030, 26174, 28060, 34709, 52348, 65435, 69418, 130870, 138836, 173545, 261740, 347090, 694180, 798307, 1596614, 3193228, 3991535, 7983070, 15966140]

約数ペア:

[(1, 15966140), (2, 7983070), (4, 3991535), (5, 3193228), (10, 1596614), (20, 798307), (23, 694180), (46, 347090), (61, 261740), (92, 173545), (115, 138836), (122, 130870), (230, 69418), (244, 65435), (305, 52348), (460, 34709), (569, 28060), (610, 26174), (1138, 14030), (1220, 13087), (1403, 11380), (2276, 7015), (2806, 5690), (2845, 5612)]