15563840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2895

約数の個数: 56

約数和(自身を含む): 39255192

約数和(自身を除く): 23691352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 2861, 5440, 5722, 11444, 14305, 22888, 28610, 45776, 48637, 57220, 91552, 97274, 114440, 183104, 194548, 228880, 243185, 389096, 457760, 486370, 778192, 915520, 972740, 1556384, 1945480, 3112768, 3890960, 7781920, 15563840]

約数ペア:

[(1, 15563840), (2, 7781920), (4, 3890960), (5, 3112768), (8, 1945480), (10, 1556384), (16, 972740), (17, 915520), (20, 778192), (32, 486370), (34, 457760), (40, 389096), (64, 243185), (68, 228880), (80, 194548), (85, 183104), (136, 114440), (160, 97274), (170, 91552), (272, 57220), (320, 48637), (340, 45776), (544, 28610), (680, 22888), (1088, 14305), (1360, 11444), (2720, 5722), (2861, 5440)]