15705729680

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{517999}}^1$

素因数の和:518391

約数の個数: 40

約数和(自身を含む): 36612240000

約数和(自身を除く): 20906510320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 15160, 30320, 517999, 1035998, 2071996, 2589995, 4143992, 5179990, 8287984, 10359980, 20719960, 41439920, 196321621, 392643242, 785286484, 981608105, 1570572968, 1963216210, 3141145936, 3926432420, 7852864840, 15705729680]

約数ペア:

[(1, 15705729680), (2, 7852864840), (4, 3926432420), (5, 3141145936), (8, 1963216210), (10, 1570572968), (16, 981608105), (20, 785286484), (40, 392643242), (80, 196321621), (379, 41439920), (758, 20719960), (1516, 10359980), (1895, 8287984), (3032, 5179990), (3790, 4143992), (6064, 2589995), (7580, 2071996), (15160, 1035998), (30320, 517999)]