28146420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1174

約数の個数: 96

約数和(自身を含む): 89510400

約数和(自身を除く): 61363980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1109, 1269, 1410, 1692, 2115, 2218, 2538, 2820, 3327, 4230, 4436, 5076, 5545, 6345, 6654, 8460, 9981, 11090, 12690, 13308, 16635, 19962, 22180, 25380, 29943, 33270, 39924, 49905, 52123, 59886, 66540, 99810, 104246, 119772, 149715, 156369, 199620, 208492, 260615, 299430, 312738, 469107, 521230, 598860, 625476, 781845, 938214, 1042460, 1407321, 1563690, 1876428, 2345535, 2814642, 3127380, 4691070, 5629284, 7036605, 9382140, 14073210, 28146420]

約数ペア:

[(1, 28146420), (2, 14073210), (3, 9382140), (4, 7036605), (5, 5629284), (6, 4691070), (9, 3127380), (10, 2814642), (12, 2345535), (15, 1876428), (18, 1563690), (20, 1407321), (27, 1042460), (30, 938214), (36, 781845), (45, 625476), (47, 598860), (54, 521230), (60, 469107), (90, 312738), (94, 299430), (108, 260615), (135, 208492), (141, 199620), (180, 156369), (188, 149715), (235, 119772), (270, 104246), (282, 99810), (423, 66540), (470, 59886), (540, 52123), (564, 49905), (705, 39924), (846, 33270), (940, 29943), (1109, 25380), (1269, 22180), (1410, 19962), (1692, 16635), (2115, 13308), (2218, 12690), (2538, 11090), (2820, 9981), (3327, 8460), (4230, 6654), (4436, 6345), (5076, 5545)]