31205580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 69433140

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, 191, 210, 382, 389, 420, 573, 764, 778, 955, 1146, 1167, 1337, 1556, 1910, 1945, 2292, 2334, 2674, 2723, 2865, 3820, 3890, 4011, 4668, 5348, 5446, 5730, 5835, 6685, 7780, 8022, 8169, 10892, 11460, 11670, 13370, 13615, 16044, 16338, 20055, 23340, 26740, 27230, 32676, 40110, 40845, 54460, 74299, 80220, 81690, 148598, 163380, 222897, 297196, 371495, 445794, 520093, 742990, 891588, 1040186, 1114485, 1485980, 1560279, 2080372, 2228970, 2600465, 3120558, 4457940, 5200930, 6241116, 7801395, 10401860, 15602790, 31205580]

約数ペア:

[(1, 31205580), (2, 15602790), (3, 10401860), (4, 7801395), (5, 6241116), (6, 5200930), (7, 4457940), (10, 3120558), (12, 2600465), (14, 2228970), (15, 2080372), (20, 1560279), (21, 1485980), (28, 1114485), (30, 1040186), (35, 891588), (42, 742990), (60, 520093), (70, 445794), (84, 371495), (105, 297196), (140, 222897), (191, 163380), (210, 148598), (382, 81690), (389, 80220), (420, 74299), (573, 54460), (764, 40845), (778, 40110), (955, 32676), (1146, 27230), (1167, 26740), (1337, 23340), (1556, 20055), (1910, 16338), (1945, 16044), (2292, 13615), (2334, 13370), (2674, 11670), (2723, 11460), (2865, 10892), (3820, 8169), (3890, 8022), (4011, 7780), (4668, 6685), (5348, 5835), (5446, 5730)]