83981790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 72

約数和(自身を含む): 225855864

約数和(自身を除く): 141874074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 971, 1395, 1922, 1942, 2790, 2883, 2913, 4805, 4855, 5766, 5826, 8649, 8739, 9610, 9710, 14415, 14565, 17298, 17478, 28830, 29130, 30101, 43245, 43695, 60202, 86490, 87390, 90303, 150505, 180606, 270909, 301010, 451515, 541818, 903030, 933131, 1354545, 1866262, 2709090, 2799393, 4665655, 5598786, 8398179, 9331310, 13996965, 16796358, 27993930, 41990895, 83981790]

約数ペア:

[(1, 83981790), (2, 41990895), (3, 27993930), (5, 16796358), (6, 13996965), (9, 9331310), (10, 8398179), (15, 5598786), (18, 4665655), (30, 2799393), (31, 2709090), (45, 1866262), (62, 1354545), (90, 933131), (93, 903030), (155, 541818), (186, 451515), (279, 301010), (310, 270909), (465, 180606), (558, 150505), (930, 90303), (961, 87390), (971, 86490), (1395, 60202), (1922, 43695), (1942, 43245), (2790, 30101), (2883, 29130), (2913, 28830), (4805, 17478), (4855, 17298), (5766, 14565), (5826, 14415), (8649, 9710), (8739, 9610)]