31070790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 84680640

約数和(自身を除く): 53609850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 89, 90, 135, 162, 178, 267, 270, 405, 431, 445, 534, 801, 810, 862, 890, 1293, 1335, 1602, 2155, 2403, 2586, 2670, 3879, 4005, 4310, 4806, 6465, 7209, 7758, 8010, 11637, 12015, 12930, 14418, 19395, 23274, 24030, 34911, 36045, 38359, 38790, 58185, 69822, 72090, 76718, 115077, 116370, 174555, 191795, 230154, 345231, 349110, 383590, 575385, 690462, 1035693, 1150770, 1726155, 2071386, 3107079, 3452310, 5178465, 6214158, 10356930, 15535395, 31070790]

約数ペア:

[(1, 31070790), (2, 15535395), (3, 10356930), (5, 6214158), (6, 5178465), (9, 3452310), (10, 3107079), (15, 2071386), (18, 1726155), (27, 1150770), (30, 1035693), (45, 690462), (54, 575385), (81, 383590), (89, 349110), (90, 345231), (135, 230154), (162, 191795), (178, 174555), (267, 116370), (270, 115077), (405, 76718), (431, 72090), (445, 69822), (534, 58185), (801, 38790), (810, 38359), (862, 36045), (890, 34911), (1293, 24030), (1335, 23274), (1602, 19395), (2155, 14418), (2403, 12930), (2586, 12015), (2670, 11637), (3879, 8010), (4005, 7758), (4310, 7209), (4806, 6465)]