81652980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 238775040

約数和(自身を除く): 157122060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 167, 174, 281, 290, 334, 348, 435, 501, 562, 580, 668, 835, 843, 870, 1002, 1124, 1405, 1670, 1686, 1740, 2004, 2505, 2810, 3340, 3372, 4215, 4843, 5010, 5620, 8149, 8430, 9686, 10020, 14529, 16298, 16860, 19372, 24215, 24447, 29058, 32596, 40745, 46927, 48430, 48894, 58116, 72645, 81490, 93854, 96860, 97788, 122235, 140781, 145290, 162980, 187708, 234635, 244470, 281562, 290580, 469270, 488940, 563124, 703905, 938540, 1360883, 1407810, 2721766, 2815620, 4082649, 5443532, 6804415, 8165298, 13608830, 16330596, 20413245, 27217660, 40826490, 81652980]

約数ペア:

[(1, 81652980), (2, 40826490), (3, 27217660), (4, 20413245), (5, 16330596), (6, 13608830), (10, 8165298), (12, 6804415), (15, 5443532), (20, 4082649), (29, 2815620), (30, 2721766), (58, 1407810), (60, 1360883), (87, 938540), (116, 703905), (145, 563124), (167, 488940), (174, 469270), (281, 290580), (290, 281562), (334, 244470), (348, 234635), (435, 187708), (501, 162980), (562, 145290), (580, 140781), (668, 122235), (835, 97788), (843, 96860), (870, 93854), (1002, 81490), (1124, 72645), (1405, 58116), (1670, 48894), (1686, 48430), (1740, 46927), (2004, 40745), (2505, 32596), (2810, 29058), (3340, 24447), (3372, 24215), (4215, 19372), (4843, 16860), (5010, 16298), (5620, 14529), (8149, 10020), (8430, 9686)]