15879040

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 38910960

約数和(自身を除く): 23031920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 577, 640, 688, 860, 1154, 1376, 1720, 2308, 2752, 2885, 3440, 4616, 5504, 5770, 6880, 9232, 11540, 13760, 18464, 23080, 24811, 27520, 36928, 46160, 49622, 73856, 92320, 99244, 124055, 184640, 198488, 248110, 369280, 396976, 496220, 793952, 992440, 1587904, 1984880, 3175808, 3969760, 7939520, 15879040]

約数ペア:

[(1, 15879040), (2, 7939520), (4, 3969760), (5, 3175808), (8, 1984880), (10, 1587904), (16, 992440), (20, 793952), (32, 496220), (40, 396976), (43, 369280), (64, 248110), (80, 198488), (86, 184640), (128, 124055), (160, 99244), (172, 92320), (215, 73856), (320, 49622), (344, 46160), (430, 36928), (577, 27520), (640, 24811), (688, 23080), (860, 18464), (1154, 13760), (1376, 11540), (1720, 9232), (2308, 6880), (2752, 5770), (2885, 5504), (3440, 4616)]