31284180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1151}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 95606784

約数和(自身を除く): 64322604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1151, 1359, 1510, 1812, 2265, 2302, 2718, 3020, 3453, 4530, 4604, 5436, 5755, 6795, 6906, 9060, 10359, 11510, 13590, 13812, 17265, 20718, 23020, 27180, 34530, 41436, 51795, 69060, 103590, 173801, 207180, 347602, 521403, 695204, 869005, 1042806, 1564209, 1738010, 2085612, 2607015, 3128418, 3476020, 5214030, 6256836, 7821045, 10428060, 15642090, 31284180]

約数ペア:

[(1, 31284180), (2, 15642090), (3, 10428060), (4, 7821045), (5, 6256836), (6, 5214030), (9, 3476020), (10, 3128418), (12, 2607015), (15, 2085612), (18, 1738010), (20, 1564209), (30, 1042806), (36, 869005), (45, 695204), (60, 521403), (90, 347602), (151, 207180), (180, 173801), (302, 103590), (453, 69060), (604, 51795), (755, 41436), (906, 34530), (1151, 27180), (1359, 23020), (1510, 20718), (1812, 17265), (2265, 13812), (2302, 13590), (2718, 11510), (3020, 10359), (3453, 9060), (4530, 6906), (4604, 6795), (5436, 5755)]