27957720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 97251840

約数和(自身を除く): 69294120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 401, 415, 420, 498, 581, 664, 802, 830, 840, 996, 1162, 1203, 1245, 1604, 1660, 1743, 1992, 2005, 2324, 2406, 2490, 2807, 2905, 3208, 3320, 3486, 4010, 4648, 4812, 4980, 5614, 5810, 6015, 6972, 8020, 8421, 8715, 9624, 9960, 11228, 11620, 12030, 13944, 14035, 16040, 16842, 17430, 22456, 23240, 24060, 28070, 33283, 33684, 34860, 42105, 48120, 56140, 66566, 67368, 69720, 84210, 99849, 112280, 133132, 166415, 168420, 199698, 232981, 266264, 332830, 336840, 399396, 465962, 499245, 665660, 698943, 798792, 931924, 998490, 1164905, 1331320, 1397886, 1863848, 1996980, 2329810, 2795772, 3494715, 3993960, 4659620, 5591544, 6989430, 9319240, 13978860, 27957720]

約数ペア:

[(1, 27957720), (2, 13978860), (3, 9319240), (4, 6989430), (5, 5591544), (6, 4659620), (7, 3993960), (8, 3494715), (10, 2795772), (12, 2329810), (14, 1996980), (15, 1863848), (20, 1397886), (21, 1331320), (24, 1164905), (28, 998490), (30, 931924), (35, 798792), (40, 698943), (42, 665660), (56, 499245), (60, 465962), (70, 399396), (83, 336840), (84, 332830), (105, 266264), (120, 232981), (140, 199698), (166, 168420), (168, 166415), (210, 133132), (249, 112280), (280, 99849), (332, 84210), (401, 69720), (415, 67368), (420, 66566), (498, 56140), (581, 48120), (664, 42105), (802, 34860), (830, 33684), (840, 33283), (996, 28070), (1162, 24060), (1203, 23240), (1245, 22456), (1604, 17430), (1660, 16842), (1743, 16040), (1992, 14035), (2005, 13944), (2324, 12030), (2406, 11620), (2490, 11228), (2807, 9960), (2905, 9624), (3208, 8715), (3320, 8421), (3486, 8020), (4010, 6972), (4648, 6015), (4812, 5810), (4980, 5614)]