780453280

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{31069}}^1$

素因数の和:31241

約数の個数: 48

約数和(自身を含む): 1855624680

約数和(自身を除く): 1075171400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 12560, 25120, 31069, 62138, 124276, 155345, 248552, 310690, 497104, 621380, 994208, 1242760, 2485520, 4877833, 4971040, 9755666, 19511332, 24389165, 39022664, 48778330, 78045328, 97556660, 156090656, 195113320, 390226640, 780453280]

約数ペア:

[(1, 780453280), (2, 390226640), (4, 195113320), (5, 156090656), (8, 97556660), (10, 78045328), (16, 48778330), (20, 39022664), (32, 24389165), (40, 19511332), (80, 9755666), (157, 4971040), (160, 4877833), (314, 2485520), (628, 1242760), (785, 994208), (1256, 621380), (1570, 497104), (2512, 310690), (3140, 248552), (5024, 155345), (6280, 124276), (12560, 62138), (25120, 31069)]