2015052120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1831}}^1$

素因数の和:2870

約数の個数: 128

約数和(自身を含む): 6727104000

約数和(自身を除く): 4712051880

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, 180, 216, 270, 360, 540, 1019, 1080, 1831, 2038, 3057, 3662, 4076, 5095, 5493, 6114, 7324, 8152, 9155, 9171, 10190, 10986, 12228, 14648, 15285, 16479, 18310, 18342, 20380, 21972, 24456, 27465, 27513, 30570, 32958, 36620, 36684, 40760, 43944, 45855, 49437, 54930, 55026, 61140, 65916, 73240, 73368, 82395, 91710, 98874, 109860, 110052, 122280, 131832, 137565, 164790, 183420, 197748, 219720, 220104, 247185, 275130, 329580, 366840, 395496, 494370, 550260, 659160, 988740, 1100520, 1865789, 1977480, 3731578, 5597367, 7463156, 9328945, 11194734, 14926312, 16792101, 18657890, 22389468, 27986835, 33584202, 37315780, 44778936, 50376303, 55973670, 67168404, 74631560, 83960505, 100752606, 111947340, 134336808, 167921010, 201505212, 223894680, 251881515, 335842020, 403010424, 503763030, 671684040, 1007526060, 2015052120]

約数ペア:

[(1, 2015052120), (2, 1007526060), (3, 671684040), (4, 503763030), (5, 403010424), (6, 335842020), (8, 251881515), (9, 223894680), (10, 201505212), (12, 167921010), (15, 134336808), (18, 111947340), (20, 100752606), (24, 83960505), (27, 74631560), (30, 67168404), (36, 55973670), (40, 50376303), (45, 44778936), (54, 37315780), (60, 33584202), (72, 27986835), (90, 22389468), (108, 18657890), (120, 16792101), (135, 14926312), (180, 11194734), (216, 9328945), (270, 7463156), (360, 5597367), (540, 3731578), (1019, 1977480), (1080, 1865789), (1831, 1100520), (2038, 988740), (3057, 659160), (3662, 550260), (4076, 494370), (5095, 395496), (5493, 366840), (6114, 329580), (7324, 275130), (8152, 247185), (9155, 220104), (9171, 219720), (10190, 197748), (10986, 183420), (12228, 164790), (14648, 137565), (15285, 131832), (16479, 122280), (18310, 110052), (18342, 109860), (20380, 98874), (21972, 91710), (24456, 82395), (27465, 73368), (27513, 73240), (30570, 65916), (32958, 61140), (36620, 55026), (36684, 54930), (40760, 49437), (43944, 45855)]