345840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 1178496

約数和(自身を除く): 832656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 131, 132, 165, 176, 220, 240, 262, 264, 330, 393, 440, 524, 528, 655, 660, 786, 880, 1048, 1310, 1320, 1441, 1572, 1965, 2096, 2620, 2640, 2882, 3144, 3930, 4323, 5240, 5764, 6288, 7205, 7860, 8646, 10480, 11528, 14410, 15720, 17292, 21615, 23056, 28820, 31440, 34584, 43230, 57640, 69168, 86460, 115280, 172920, 345840]

約数ペア:

[(1, 345840), (2, 172920), (3, 115280), (4, 86460), (5, 69168), (6, 57640), (8, 43230), (10, 34584), (11, 31440), (12, 28820), (15, 23056), (16, 21615), (20, 17292), (22, 15720), (24, 14410), (30, 11528), (33, 10480), (40, 8646), (44, 7860), (48, 7205), (55, 6288), (60, 5764), (66, 5240), (80, 4323), (88, 3930), (110, 3144), (120, 2882), (131, 2640), (132, 2620), (165, 2096), (176, 1965), (220, 1572), (240, 1441), (262, 1320), (264, 1310), (330, 1048), (393, 880), (440, 786), (524, 660), (528, 655)]