31783020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 92725248

約数和(自身を除く): 60942228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 97, 127, 129, 172, 194, 215, 254, 258, 291, 381, 388, 430, 485, 508, 516, 582, 635, 645, 762, 860, 970, 1164, 1270, 1290, 1455, 1524, 1905, 1940, 2540, 2580, 2910, 3810, 4171, 5461, 5820, 7620, 8342, 10922, 12319, 12513, 16383, 16684, 20855, 21844, 24638, 25026, 27305, 32766, 36957, 41710, 49276, 50052, 54610, 61595, 62565, 65532, 73914, 81915, 83420, 109220, 123190, 125130, 147828, 163830, 184785, 246380, 250260, 327660, 369570, 529717, 739140, 1059434, 1589151, 2118868, 2648585, 3178302, 5297170, 6356604, 7945755, 10594340, 15891510, 31783020]

約数ペア:

[(1, 31783020), (2, 15891510), (3, 10594340), (4, 7945755), (5, 6356604), (6, 5297170), (10, 3178302), (12, 2648585), (15, 2118868), (20, 1589151), (30, 1059434), (43, 739140), (60, 529717), (86, 369570), (97, 327660), (127, 250260), (129, 246380), (172, 184785), (194, 163830), (215, 147828), (254, 125130), (258, 123190), (291, 109220), (381, 83420), (388, 81915), (430, 73914), (485, 65532), (508, 62565), (516, 61595), (582, 54610), (635, 50052), (645, 49276), (762, 41710), (860, 36957), (970, 32766), (1164, 27305), (1270, 25026), (1290, 24638), (1455, 21844), (1524, 20855), (1905, 16684), (1940, 16383), (2540, 12513), (2580, 12319), (2910, 10922), (3810, 8342), (4171, 7620), (5461, 5820)]