213005040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5653}}^1$

素因数の和:5826

約数の個数: 80

約数和(自身を含む): 664639008

約数和(自身を除く): 451633968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 5653, 6280, 7536, 9420, 11306, 12560, 16959, 18840, 22612, 28265, 33918, 37680, 45224, 56530, 67836, 84795, 90448, 113060, 135672, 169590, 226120, 271344, 339180, 452240, 678360, 887521, 1356720, 1775042, 2662563, 3550084, 4437605, 5325126, 7100168, 8875210, 10650252, 13312815, 14200336, 17750420, 21300504, 26625630, 35500840, 42601008, 53251260, 71001680, 106502520, 213005040]

約数ペア:

[(1, 213005040), (2, 106502520), (3, 71001680), (4, 53251260), (5, 42601008), (6, 35500840), (8, 26625630), (10, 21300504), (12, 17750420), (15, 14200336), (16, 13312815), (20, 10650252), (24, 8875210), (30, 7100168), (40, 5325126), (48, 4437605), (60, 3550084), (80, 2662563), (120, 1775042), (157, 1356720), (240, 887521), (314, 678360), (471, 452240), (628, 339180), (785, 271344), (942, 226120), (1256, 169590), (1570, 135672), (1884, 113060), (2355, 90448), (2512, 84795), (3140, 67836), (3768, 56530), (4710, 45224), (5653, 37680), (6280, 33918), (7536, 28265), (9420, 22612), (11306, 18840), (12560, 16959)]