79864020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443689}}^1$

素因数の和:443704

約数の個数: 36

約数和(自身を含む): 242254740

約数和(自身を除く): 162390720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443689, 887378, 1331067, 1774756, 2218445, 2662134, 3993201, 4436890, 5324268, 6655335, 7986402, 8873780, 13310670, 15972804, 19966005, 26621340, 39932010, 79864020]

約数ペア:

[(1, 79864020), (2, 39932010), (3, 26621340), (4, 19966005), (5, 15972804), (6, 13310670), (9, 8873780), (10, 7986402), (12, 6655335), (15, 5324268), (18, 4436890), (20, 3993201), (30, 2662134), (36, 2218445), (45, 1774756), (60, 1331067), (90, 887378), (180, 443689)]