1320994980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7481}}^1$

素因数の和:7611

約数の個数: 120

約数和(自身を含む): 4182587640

約数和(自身を除く): 2861592660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 810, 981, 1090, 1308, 1620, 1635, 1962, 2180, 2943, 3270, 3924, 4905, 5886, 6540, 7481, 8829, 9810, 11772, 14715, 14962, 17658, 19620, 22443, 29430, 29924, 35316, 37405, 44145, 44886, 58860, 67329, 74810, 88290, 89772, 112215, 134658, 149620, 176580, 201987, 224430, 269316, 336645, 403974, 448860, 605961, 673290, 807948, 815429, 1009935, 1211922, 1346580, 1630858, 2019870, 2423844, 2446287, 3029805, 3261716, 4039740, 4077145, 4892574, 6059610, 7338861, 8154290, 9785148, 12119220, 12231435, 14677722, 16308580, 22016583, 24462870, 29355444, 36694305, 44033166, 48925740, 66049749, 73388610, 88066332, 110082915, 132099498, 146777220, 220165830, 264198996, 330248745, 440331660, 660497490, 1320994980]

約数ペア:

[(1, 1320994980), (2, 660497490), (3, 440331660), (4, 330248745), (5, 264198996), (6, 220165830), (9, 146777220), (10, 132099498), (12, 110082915), (15, 88066332), (18, 73388610), (20, 66049749), (27, 48925740), (30, 44033166), (36, 36694305), (45, 29355444), (54, 24462870), (60, 22016583), (81, 16308580), (90, 14677722), (108, 12231435), (109, 12119220), (135, 9785148), (162, 8154290), (180, 7338861), (218, 6059610), (270, 4892574), (324, 4077145), (327, 4039740), (405, 3261716), (436, 3029805), (540, 2446287), (545, 2423844), (654, 2019870), (810, 1630858), (981, 1346580), (1090, 1211922), (1308, 1009935), (1620, 815429), (1635, 807948), (1962, 673290), (2180, 605961), (2943, 448860), (3270, 403974), (3924, 336645), (4905, 269316), (5886, 224430), (6540, 201987), (7481, 176580), (8829, 149620), (9810, 134658), (11772, 112215), (14715, 89772), (14962, 88290), (17658, 74810), (19620, 67329), (22443, 58860), (29430, 44886), (29924, 44145), (35316, 37405)]