208542960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289643}}^1$

素因数の和:289662

約数の個数: 60

約数和(自身を含む): 700359192

約数和(自身を除く): 491816232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289643, 579286, 868929, 1158572, 1448215, 1737858, 2317144, 2606787, 2896430, 3475716, 4344645, 4634288, 5213574, 5792860, 6951432, 8689290, 10427148, 11585720, 13033935, 13902864, 17378580, 20854296, 23171440, 26067870, 34757160, 41708592, 52135740, 69514320, 104271480, 208542960]

約数ペア:

[(1, 208542960), (2, 104271480), (3, 69514320), (4, 52135740), (5, 41708592), (6, 34757160), (8, 26067870), (9, 23171440), (10, 20854296), (12, 17378580), (15, 13902864), (16, 13033935), (18, 11585720), (20, 10427148), (24, 8689290), (30, 6951432), (36, 5792860), (40, 5213574), (45, 4634288), (48, 4344645), (60, 3475716), (72, 2896430), (80, 2606787), (90, 2317144), (120, 1737858), (144, 1448215), (180, 1158572), (240, 868929), (360, 579286), (720, 289643)]