15493760

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 37968480

約数和(自身を除く): 22474720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 563, 640, 688, 860, 1126, 1376, 1720, 2252, 2752, 2815, 3440, 4504, 5504, 5630, 6880, 9008, 11260, 13760, 18016, 22520, 24209, 27520, 36032, 45040, 48418, 72064, 90080, 96836, 121045, 180160, 193672, 242090, 360320, 387344, 484180, 774688, 968360, 1549376, 1936720, 3098752, 3873440, 7746880, 15493760]

約数ペア:

[(1, 15493760), (2, 7746880), (4, 3873440), (5, 3098752), (8, 1936720), (10, 1549376), (16, 968360), (20, 774688), (32, 484180), (40, 387344), (43, 360320), (64, 242090), (80, 193672), (86, 180160), (128, 121045), (160, 96836), (172, 90080), (215, 72064), (320, 48418), (344, 45040), (430, 36032), (563, 27520), (640, 24209), (688, 22520), (860, 18016), (1126, 13760), (1376, 11260), (1720, 9008), (2252, 6880), (2752, 5630), (2815, 5504), (3440, 4504)]