30982840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 88335360

約数和(自身を除く): 57352520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 283, 322, 340, 391, 460, 476, 566, 595, 644, 680, 782, 805, 920, 952, 1132, 1190, 1288, 1415, 1564, 1610, 1955, 1981, 2264, 2380, 2737, 2830, 3128, 3220, 3910, 3962, 4760, 4811, 5474, 5660, 6440, 6509, 7820, 7924, 9622, 9905, 10948, 11320, 13018, 13685, 15640, 15848, 19244, 19810, 21896, 24055, 26036, 27370, 32545, 33677, 38488, 39620, 45563, 48110, 52072, 54740, 65090, 67354, 79240, 91126, 96220, 109480, 110653, 130180, 134708, 168385, 182252, 192440, 221306, 227815, 260360, 269416, 336770, 364504, 442612, 455630, 553265, 673540, 774571, 885224, 911260, 1106530, 1347080, 1549142, 1822520, 2213060, 3098284, 3872855, 4426120, 6196568, 7745710, 15491420, 30982840]

約数ペア:

[(1, 30982840), (2, 15491420), (4, 7745710), (5, 6196568), (7, 4426120), (8, 3872855), (10, 3098284), (14, 2213060), (17, 1822520), (20, 1549142), (23, 1347080), (28, 1106530), (34, 911260), (35, 885224), (40, 774571), (46, 673540), (56, 553265), (68, 455630), (70, 442612), (85, 364504), (92, 336770), (115, 269416), (119, 260360), (136, 227815), (140, 221306), (161, 192440), (170, 182252), (184, 168385), (230, 134708), (238, 130180), (280, 110653), (283, 109480), (322, 96220), (340, 91126), (391, 79240), (460, 67354), (476, 65090), (566, 54740), (595, 52072), (644, 48110), (680, 45563), (782, 39620), (805, 38488), (920, 33677), (952, 32545), (1132, 27370), (1190, 26036), (1288, 24055), (1415, 21896), (1564, 19810), (1610, 19244), (1955, 15848), (1981, 15640), (2264, 13685), (2380, 13018), (2737, 11320), (2830, 10948), (3128, 9905), (3220, 9622), (3910, 7924), (3962, 7820), (4760, 6509), (4811, 6440), (5474, 5660)]