131219280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5879}}^1$

素因数の和:5929

約数の個数: 120

約数和(自身を含む): 454970880

約数和(自身を除く): 323751600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 5879, 7440, 11160, 11758, 17637, 22320, 23516, 29395, 35274, 47032, 52911, 58790, 70548, 88185, 94064, 105822, 117580, 141096, 176370, 182249, 211644, 235160, 264555, 282192, 352740, 364498, 423288, 470320, 529110, 546747, 705480, 728996, 846576, 911245, 1058220, 1093494, 1410960, 1457992, 1640241, 1822490, 2116440, 2186988, 2733735, 2915984, 3280482, 3644980, 4232880, 4373976, 5467470, 6560964, 7289960, 8201205, 8747952, 10934940, 13121928, 14579920, 16402410, 21869880, 26243856, 32804820, 43739760, 65609640, 131219280]

約数ペア:

[(1, 131219280), (2, 65609640), (3, 43739760), (4, 32804820), (5, 26243856), (6, 21869880), (8, 16402410), (9, 14579920), (10, 13121928), (12, 10934940), (15, 8747952), (16, 8201205), (18, 7289960), (20, 6560964), (24, 5467470), (30, 4373976), (31, 4232880), (36, 3644980), (40, 3280482), (45, 2915984), (48, 2733735), (60, 2186988), (62, 2116440), (72, 1822490), (80, 1640241), (90, 1457992), (93, 1410960), (120, 1093494), (124, 1058220), (144, 911245), (155, 846576), (180, 728996), (186, 705480), (240, 546747), (248, 529110), (279, 470320), (310, 423288), (360, 364498), (372, 352740), (465, 282192), (496, 264555), (558, 235160), (620, 211644), (720, 182249), (744, 176370), (930, 141096), (1116, 117580), (1240, 105822), (1395, 94064), (1488, 88185), (1860, 70548), (2232, 58790), (2480, 52911), (2790, 47032), (3720, 35274), (4464, 29395), (5580, 23516), (5879, 22320), (7440, 17637), (11160, 11758)]