318864720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1328603}}^1$

素因数の和:1328619

約数の個数: 40

約数和(自身を含む): 988481376

約数和(自身を除く): 669616656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1328603, 2657206, 3985809, 5314412, 6643015, 7971618, 10628824, 13286030, 15943236, 19929045, 21257648, 26572060, 31886472, 39858090, 53144120, 63772944, 79716180, 106288240, 159432360, 318864720]

約数ペア:

[(1, 318864720), (2, 159432360), (3, 106288240), (4, 79716180), (5, 63772944), (6, 53144120), (8, 39858090), (10, 31886472), (12, 26572060), (15, 21257648), (16, 19929045), (20, 15943236), (24, 13286030), (30, 10628824), (40, 7971618), (48, 6643015), (60, 5314412), (80, 3985809), (120, 2657206), (240, 1328603)]