61921020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 199180800

約数和(自身を除く): 137259780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 379, 389, 420, 758, 778, 1137, 1167, 1516, 1556, 1895, 1945, 2274, 2334, 2653, 2723, 3790, 3890, 4548, 4668, 5306, 5446, 5685, 5835, 7580, 7780, 7959, 8169, 10612, 10892, 11370, 11670, 13265, 13615, 15918, 16338, 22740, 23340, 26530, 27230, 31836, 32676, 39795, 40845, 53060, 54460, 79590, 81690, 147431, 159180, 163380, 294862, 442293, 589724, 737155, 884586, 1032017, 1474310, 1769172, 2064034, 2211465, 2948620, 3096051, 4128068, 4422930, 5160085, 6192102, 8845860, 10320170, 12384204, 15480255, 20640340, 30960510, 61921020]

約数ペア:

[(1, 61921020), (2, 30960510), (3, 20640340), (4, 15480255), (5, 12384204), (6, 10320170), (7, 8845860), (10, 6192102), (12, 5160085), (14, 4422930), (15, 4128068), (20, 3096051), (21, 2948620), (28, 2211465), (30, 2064034), (35, 1769172), (42, 1474310), (60, 1032017), (70, 884586), (84, 737155), (105, 589724), (140, 442293), (210, 294862), (379, 163380), (389, 159180), (420, 147431), (758, 81690), (778, 79590), (1137, 54460), (1167, 53060), (1516, 40845), (1556, 39795), (1895, 32676), (1945, 31836), (2274, 27230), (2334, 26530), (2653, 23340), (2723, 22740), (3790, 16338), (3890, 15918), (4548, 13615), (4668, 13265), (5306, 11670), (5446, 11370), (5685, 10892), (5835, 10612), (7580, 8169), (7780, 7959)]