131023980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2661

約数の個数: 120

約数和(自身を含む): 424448640

約数和(自身を除く): 293424660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2609, 2790, 3348, 4185, 5022, 5218, 5580, 7827, 8370, 10044, 10436, 12555, 13045, 15654, 16740, 23481, 25110, 26090, 31308, 39135, 46962, 50220, 52180, 70443, 78270, 80879, 93924, 117405, 140886, 156540, 161758, 211329, 234810, 242637, 281772, 323516, 352215, 404395, 422658, 469620, 485274, 704430, 727911, 808790, 845316, 970548, 1056645, 1213185, 1408860, 1455822, 1617580, 2113290, 2183733, 2426370, 2911644, 3639555, 4226580, 4367466, 4852740, 6551199, 7279110, 8734932, 10918665, 13102398, 14558220, 21837330, 26204796, 32755995, 43674660, 65511990, 131023980]

約数ペア:

[(1, 131023980), (2, 65511990), (3, 43674660), (4, 32755995), (5, 26204796), (6, 21837330), (9, 14558220), (10, 13102398), (12, 10918665), (15, 8734932), (18, 7279110), (20, 6551199), (27, 4852740), (30, 4367466), (31, 4226580), (36, 3639555), (45, 2911644), (54, 2426370), (60, 2183733), (62, 2113290), (81, 1617580), (90, 1455822), (93, 1408860), (108, 1213185), (124, 1056645), (135, 970548), (155, 845316), (162, 808790), (180, 727911), (186, 704430), (270, 485274), (279, 469620), (310, 422658), (324, 404395), (372, 352215), (405, 323516), (465, 281772), (540, 242637), (558, 234810), (620, 211329), (810, 161758), (837, 156540), (930, 140886), (1116, 117405), (1395, 93924), (1620, 80879), (1674, 78270), (1860, 70443), (2511, 52180), (2609, 50220), (2790, 46962), (3348, 39135), (4185, 31308), (5022, 26090), (5218, 25110), (5580, 23481), (7827, 16740), (8370, 15654), (10044, 13045), (10436, 12555)]