131211840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4460

約数の個数: 112

約数和(自身を含む): 430133760

約数和(自身を除く): 298921920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4409, 4960, 5952, 7440, 8818, 9920, 13227, 14880, 17636, 22045, 26454, 29760, 35272, 44090, 52908, 66135, 70544, 88180, 105816, 132270, 136679, 141088, 176360, 211632, 264540, 273358, 282176, 352720, 410037, 423264, 529080, 546716, 683395, 705440, 820074, 846528, 1058160, 1093432, 1366790, 1410880, 1640148, 2050185, 2116320, 2186864, 2733580, 3280296, 4100370, 4232640, 4373728, 5467160, 6560592, 8200740, 8747456, 10934320, 13121184, 16401480, 21868640, 26242368, 32802960, 43737280, 65605920, 131211840]

約数ペア:

[(1, 131211840), (2, 65605920), (3, 43737280), (4, 32802960), (5, 26242368), (6, 21868640), (8, 16401480), (10, 13121184), (12, 10934320), (15, 8747456), (16, 8200740), (20, 6560592), (24, 5467160), (30, 4373728), (31, 4232640), (32, 4100370), (40, 3280296), (48, 2733580), (60, 2186864), (62, 2116320), (64, 2050185), (80, 1640148), (93, 1410880), (96, 1366790), (120, 1093432), (124, 1058160), (155, 846528), (160, 820074), (186, 705440), (192, 683395), (240, 546716), (248, 529080), (310, 423264), (320, 410037), (372, 352720), (465, 282176), (480, 273358), (496, 264540), (620, 211632), (744, 176360), (930, 141088), (960, 136679), (992, 132270), (1240, 105816), (1488, 88180), (1860, 70544), (1984, 66135), (2480, 52908), (2976, 44090), (3720, 35272), (4409, 29760), (4960, 26454), (5952, 22045), (7440, 17636), (8818, 14880), (9920, 13227)]