15691040

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 37308600

約数和(自身を除く): 21617560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 349, 562, 698, 1124, 1396, 1405, 1745, 2248, 2792, 2810, 3490, 4496, 5584, 5620, 6980, 8992, 11168, 11240, 13960, 22480, 27920, 44960, 55840, 98069, 196138, 392276, 490345, 784552, 980690, 1569104, 1961380, 3138208, 3922760, 7845520, 15691040]

約数ペア:

[(1, 15691040), (2, 7845520), (4, 3922760), (5, 3138208), (8, 1961380), (10, 1569104), (16, 980690), (20, 784552), (32, 490345), (40, 392276), (80, 196138), (160, 98069), (281, 55840), (349, 44960), (562, 27920), (698, 22480), (1124, 13960), (1396, 11240), (1405, 11168), (1745, 8992), (2248, 6980), (2792, 5620), (2810, 5584), (3490, 4496)]