79981920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:917

約数の個数: 144

約数和(自身を含む): 277346160

約数和(自身を除く): 197364240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 829, 1005, 1072, 1206, 1340, 1440, 1608, 1658, 2010, 2144, 2412, 2487, 2680, 3015, 3216, 3316, 4020, 4145, 4824, 4974, 5360, 6030, 6432, 6632, 7461, 8040, 8290, 9648, 9948, 10720, 12060, 12435, 13264, 14922, 16080, 16580, 19296, 19896, 24120, 24870, 26528, 29844, 32160, 33160, 37305, 39792, 48240, 49740, 55543, 59688, 66320, 74610, 79584, 96480, 99480, 111086, 119376, 132640, 149220, 166629, 198960, 222172, 238752, 277715, 298440, 333258, 397920, 444344, 499887, 555430, 596880, 666516, 833145, 888688, 999774, 1110860, 1193760, 1333032, 1666290, 1777376, 1999548, 2221720, 2499435, 2666064, 3332580, 3999096, 4443440, 4998870, 5332128, 6665160, 7998192, 8886880, 9997740, 13330320, 15996384, 19995480, 26660640, 39990960, 79981920]

約数ペア:

[(1, 79981920), (2, 39990960), (3, 26660640), (4, 19995480), (5, 15996384), (6, 13330320), (8, 9997740), (9, 8886880), (10, 7998192), (12, 6665160), (15, 5332128), (16, 4998870), (18, 4443440), (20, 3999096), (24, 3332580), (30, 2666064), (32, 2499435), (36, 2221720), (40, 1999548), (45, 1777376), (48, 1666290), (60, 1333032), (67, 1193760), (72, 1110860), (80, 999774), (90, 888688), (96, 833145), (120, 666516), (134, 596880), (144, 555430), (160, 499887), (180, 444344), (201, 397920), (240, 333258), (268, 298440), (288, 277715), (335, 238752), (360, 222172), (402, 198960), (480, 166629), (536, 149220), (603, 132640), (670, 119376), (720, 111086), (804, 99480), (829, 96480), (1005, 79584), (1072, 74610), (1206, 66320), (1340, 59688), (1440, 55543), (1608, 49740), (1658, 48240), (2010, 39792), (2144, 37305), (2412, 33160), (2487, 32160), (2680, 29844), (3015, 26528), (3216, 24870), (3316, 24120), (4020, 19896), (4145, 19296), (4824, 16580), (4974, 16080), (5360, 14922), (6030, 13264), (6432, 12435), (6632, 12060), (7461, 10720), (8040, 9948), (8290, 9648)]