15713920

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 38507040

約数和(自身を除く): 22793120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 571, 640, 688, 860, 1142, 1376, 1720, 2284, 2752, 2855, 3440, 4568, 5504, 5710, 6880, 9136, 11420, 13760, 18272, 22840, 24553, 27520, 36544, 45680, 49106, 73088, 91360, 98212, 122765, 182720, 196424, 245530, 365440, 392848, 491060, 785696, 982120, 1571392, 1964240, 3142784, 3928480, 7856960, 15713920]

約数ペア:

[(1, 15713920), (2, 7856960), (4, 3928480), (5, 3142784), (8, 1964240), (10, 1571392), (16, 982120), (20, 785696), (32, 491060), (40, 392848), (43, 365440), (64, 245530), (80, 196424), (86, 182720), (128, 122765), (160, 98212), (172, 91360), (215, 73088), (320, 49106), (344, 45680), (430, 36544), (571, 27520), (640, 24553), (688, 22840), (860, 18272), (1142, 13760), (1376, 11420), (1720, 9136), (2284, 6880), (2752, 5710), (2855, 5504), (3440, 4568)]