205927380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381347}}^1$

素因数の和:381365

約数の個数: 48

約数和(自身を含む): 640664640

約数和(自身を除く): 434737260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 381347, 762694, 1144041, 1525388, 1906735, 2288082, 3432123, 3813470, 4576164, 5720205, 6864246, 7626940, 10296369, 11440410, 13728492, 17160615, 20592738, 22880820, 34321230, 41185476, 51481845, 68642460, 102963690, 205927380]

約数ペア:

[(1, 205927380), (2, 102963690), (3, 68642460), (4, 51481845), (5, 41185476), (6, 34321230), (9, 22880820), (10, 20592738), (12, 17160615), (15, 13728492), (18, 11440410), (20, 10296369), (27, 7626940), (30, 6864246), (36, 5720205), (45, 4576164), (54, 3813470), (60, 3432123), (90, 2288082), (108, 1906735), (135, 1525388), (180, 1144041), (270, 762694), (540, 381347)]