855306120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5435

約数の個数: 128

約数和(自身を含む): 2710794240

約数和(自身を除く): 1855488120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1720, 1860, 2580, 2666, 3720, 3999, 5160, 5332, 5347, 6665, 7998, 10664, 10694, 13330, 15996, 16041, 19995, 21388, 26660, 26735, 31992, 32082, 39990, 42776, 53320, 53470, 64164, 79980, 80205, 106940, 128328, 159960, 160410, 165757, 213880, 229921, 320820, 331514, 459842, 497271, 641640, 663028, 689763, 828785, 919684, 994542, 1149605, 1326056, 1379526, 1657570, 1839368, 1989084, 2299210, 2486355, 2759052, 3315140, 3448815, 3978168, 4598420, 4972710, 5518104, 6630280, 6897630, 7127551, 9196840, 9945420, 13795260, 14255102, 19890840, 21382653, 27590520, 28510204, 35637755, 42765306, 57020408, 71275510, 85530612, 106913265, 142551020, 171061224, 213826530, 285102040, 427653060, 855306120]

約数ペア:

[(1, 855306120), (2, 427653060), (3, 285102040), (4, 213826530), (5, 171061224), (6, 142551020), (8, 106913265), (10, 85530612), (12, 71275510), (15, 57020408), (20, 42765306), (24, 35637755), (30, 28510204), (31, 27590520), (40, 21382653), (43, 19890840), (60, 14255102), (62, 13795260), (86, 9945420), (93, 9196840), (120, 7127551), (124, 6897630), (129, 6630280), (155, 5518104), (172, 4972710), (186, 4598420), (215, 3978168), (248, 3448815), (258, 3315140), (310, 2759052), (344, 2486355), (372, 2299210), (430, 1989084), (465, 1839368), (516, 1657570), (620, 1379526), (645, 1326056), (744, 1149605), (860, 994542), (930, 919684), (1032, 828785), (1240, 689763), (1290, 663028), (1333, 641640), (1720, 497271), (1860, 459842), (2580, 331514), (2666, 320820), (3720, 229921), (3999, 213880), (5160, 165757), (5332, 160410), (5347, 159960), (6665, 128328), (7998, 106940), (10664, 80205), (10694, 79980), (13330, 64164), (15996, 53470), (16041, 53320), (19995, 42776), (21388, 39990), (26660, 32082), (26735, 31992)]