31148280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 105062400

約数和(自身を除く): 73914120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 151, 180, 191, 216, 270, 302, 360, 382, 453, 540, 573, 604, 755, 764, 906, 955, 1080, 1146, 1208, 1359, 1510, 1528, 1719, 1812, 1910, 2265, 2292, 2718, 2865, 3020, 3438, 3624, 3820, 4077, 4530, 4584, 5157, 5436, 5730, 6040, 6795, 6876, 7640, 8154, 8595, 9060, 10314, 10872, 11460, 13590, 13752, 16308, 17190, 18120, 20385, 20628, 22920, 25785, 27180, 28841, 32616, 34380, 40770, 41256, 51570, 54360, 57682, 68760, 81540, 86523, 103140, 115364, 144205, 163080, 173046, 206280, 230728, 259569, 288410, 346092, 432615, 519138, 576820, 692184, 778707, 865230, 1038276, 1153640, 1297845, 1557414, 1730460, 2076552, 2595690, 3114828, 3460920, 3893535, 5191380, 6229656, 7787070, 10382760, 15574140, 31148280]

約数ペア:

[(1, 31148280), (2, 15574140), (3, 10382760), (4, 7787070), (5, 6229656), (6, 5191380), (8, 3893535), (9, 3460920), (10, 3114828), (12, 2595690), (15, 2076552), (18, 1730460), (20, 1557414), (24, 1297845), (27, 1153640), (30, 1038276), (36, 865230), (40, 778707), (45, 692184), (54, 576820), (60, 519138), (72, 432615), (90, 346092), (108, 288410), (120, 259569), (135, 230728), (151, 206280), (180, 173046), (191, 163080), (216, 144205), (270, 115364), (302, 103140), (360, 86523), (382, 81540), (453, 68760), (540, 57682), (573, 54360), (604, 51570), (755, 41256), (764, 40770), (906, 34380), (955, 32616), (1080, 28841), (1146, 27180), (1208, 25785), (1359, 22920), (1510, 20628), (1528, 20385), (1719, 18120), (1812, 17190), (1910, 16308), (2265, 13752), (2292, 13590), (2718, 11460), (2865, 10872), (3020, 10314), (3438, 9060), (3624, 8595), (3820, 8154), (4077, 7640), (4530, 6876), (4584, 6795), (5157, 6040), (5436, 5730)]