81102420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 283465728

約数和(自身を除く): 202363308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 337, 382, 420, 573, 630, 674, 764, 955, 1011, 1146, 1260, 1337, 1348, 1685, 1719, 1910, 2022, 2292, 2359, 2674, 2865, 3033, 3370, 3438, 3820, 4011, 4044, 4718, 5055, 5348, 5730, 6066, 6685, 6740, 6876, 7077, 8022, 8595, 9436, 10110, 11460, 11795, 12033, 12132, 13370, 14154, 15165, 16044, 17190, 20055, 20220, 21231, 23590, 24066, 26740, 28308, 30330, 34380, 35385, 40110, 42462, 47180, 48132, 60165, 60660, 64367, 70770, 80220, 84924, 106155, 120330, 128734, 141540, 193101, 212310, 240660, 257468, 321835, 386202, 424620, 450569, 579303, 643670, 772404, 901138, 965505, 1158606, 1287340, 1351707, 1802276, 1931010, 2252845, 2317212, 2703414, 2896515, 3862020, 4055121, 4505690, 5406828, 5793030, 6758535, 8110242, 9011380, 11586060, 13517070, 16220484, 20275605, 27034140, 40551210, 81102420]

約数ペア:

[(1, 81102420), (2, 40551210), (3, 27034140), (4, 20275605), (5, 16220484), (6, 13517070), (7, 11586060), (9, 9011380), (10, 8110242), (12, 6758535), (14, 5793030), (15, 5406828), (18, 4505690), (20, 4055121), (21, 3862020), (28, 2896515), (30, 2703414), (35, 2317212), (36, 2252845), (42, 1931010), (45, 1802276), (60, 1351707), (63, 1287340), (70, 1158606), (84, 965505), (90, 901138), (105, 772404), (126, 643670), (140, 579303), (180, 450569), (191, 424620), (210, 386202), (252, 321835), (315, 257468), (337, 240660), (382, 212310), (420, 193101), (573, 141540), (630, 128734), (674, 120330), (764, 106155), (955, 84924), (1011, 80220), (1146, 70770), (1260, 64367), (1337, 60660), (1348, 60165), (1685, 48132), (1719, 47180), (1910, 42462), (2022, 40110), (2292, 35385), (2359, 34380), (2674, 30330), (2865, 28308), (3033, 26740), (3370, 24066), (3438, 23590), (3820, 21231), (4011, 20220), (4044, 20055), (4718, 17190), (5055, 16044), (5348, 15165), (5730, 14154), (6066, 13370), (6685, 12132), (6740, 12033), (6876, 11795), (7077, 11460), (8022, 10110), (8595, 9436)]