15754880

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 38188800

約数和(自身を除く): 22433920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 239, 320, 412, 478, 515, 640, 824, 956, 1030, 1195, 1648, 1912, 2060, 2390, 3296, 3824, 4120, 4780, 6592, 7648, 8240, 9560, 13184, 15296, 16480, 19120, 24617, 30592, 32960, 38240, 49234, 65920, 76480, 98468, 123085, 152960, 196936, 246170, 393872, 492340, 787744, 984680, 1575488, 1969360, 3150976, 3938720, 7877440, 15754880]

約数ペア:

[(1, 15754880), (2, 7877440), (4, 3938720), (5, 3150976), (8, 1969360), (10, 1575488), (16, 984680), (20, 787744), (32, 492340), (40, 393872), (64, 246170), (80, 196936), (103, 152960), (128, 123085), (160, 98468), (206, 76480), (239, 65920), (320, 49234), (412, 38240), (478, 32960), (515, 30592), (640, 24617), (824, 19120), (956, 16480), (1030, 15296), (1195, 13184), (1648, 9560), (1912, 8240), (2060, 7648), (2390, 6592), (3296, 4780), (3824, 4120)]