71870820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 231361536

約数和(自身を除く): 159490716

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, 211, 420, 422, 633, 811, 844, 1055, 1266, 1477, 1622, 2110, 2433, 2532, 2954, 3165, 3244, 4055, 4220, 4431, 4866, 5677, 5908, 6330, 7385, 8110, 8862, 9732, 11354, 12165, 12660, 14770, 16220, 17031, 17724, 22155, 22708, 24330, 28385, 29540, 34062, 44310, 48660, 56770, 68124, 85155, 88620, 113540, 170310, 171121, 340620, 342242, 513363, 684484, 855605, 1026726, 1197847, 1711210, 2053452, 2395694, 2566815, 3422420, 3593541, 4791388, 5133630, 5989235, 7187082, 10267260, 11978470, 14374164, 17967705, 23956940, 35935410, 71870820]

約数ペア:

[(1, 71870820), (2, 35935410), (3, 23956940), (4, 17967705), (5, 14374164), (6, 11978470), (7, 10267260), (10, 7187082), (12, 5989235), (14, 5133630), (15, 4791388), (20, 3593541), (21, 3422420), (28, 2566815), (30, 2395694), (35, 2053452), (42, 1711210), (60, 1197847), (70, 1026726), (84, 855605), (105, 684484), (140, 513363), (210, 342242), (211, 340620), (420, 171121), (422, 170310), (633, 113540), (811, 88620), (844, 85155), (1055, 68124), (1266, 56770), (1477, 48660), (1622, 44310), (2110, 34062), (2433, 29540), (2532, 28385), (2954, 24330), (3165, 22708), (3244, 22155), (4055, 17724), (4220, 17031), (4431, 16220), (4866, 14770), (5677, 12660), (5908, 12165), (6330, 11354), (7385, 9732), (8110, 8862)]