31285620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 95528160

約数和(自身を除く): 64242540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 971, 1074, 1611, 1790, 1942, 2148, 2685, 2913, 3222, 3580, 3884, 4855, 5370, 5826, 6444, 8055, 8739, 9710, 10740, 11652, 14565, 16110, 17478, 19420, 29130, 32220, 34956, 43695, 58260, 87390, 173809, 174780, 347618, 521427, 695236, 869045, 1042854, 1564281, 1738090, 2085708, 2607135, 3128562, 3476180, 5214270, 6257124, 7821405, 10428540, 15642810, 31285620]

約数ペア:

[(1, 31285620), (2, 15642810), (3, 10428540), (4, 7821405), (5, 6257124), (6, 5214270), (9, 3476180), (10, 3128562), (12, 2607135), (15, 2085708), (18, 1738090), (20, 1564281), (30, 1042854), (36, 869045), (45, 695236), (60, 521427), (90, 347618), (179, 174780), (180, 173809), (358, 87390), (537, 58260), (716, 43695), (895, 34956), (971, 32220), (1074, 29130), (1611, 19420), (1790, 17478), (1942, 16110), (2148, 14565), (2685, 11652), (2913, 10740), (3222, 9710), (3580, 8739), (3884, 8055), (4855, 6444), (5370, 5826)]