1686784120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7079}}^1$

素因数の和:7157

約数の個数: 128

約数和(自身を含む): 4649011200

約数和(自身を除く): 2962227080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 370, 460, 518, 644, 740, 805, 851, 920, 1036, 1288, 1295, 1480, 1610, 1702, 2072, 2590, 3220, 3404, 4255, 5180, 5957, 6440, 6808, 7079, 8510, 10360, 11914, 14158, 17020, 23828, 28316, 29785, 34040, 35395, 47656, 49553, 56632, 59570, 70790, 99106, 119140, 141580, 162817, 198212, 238280, 247765, 261923, 283160, 325634, 396424, 495530, 523846, 651268, 814085, 991060, 1047692, 1139719, 1302536, 1309615, 1628170, 1833461, 1982120, 2095384, 2279438, 2619230, 3256340, 3666922, 4558876, 5238460, 5698595, 6024229, 6512680, 7333844, 9117752, 9167305, 10476920, 11397190, 12048458, 14667688, 18334610, 22794380, 24096916, 30121145, 36669220, 42169603, 45588760, 48193832, 60242290, 73338440, 84339206, 120484580, 168678412, 210848015, 240969160, 337356824, 421696030, 843392060, 1686784120]

約数ペア:

[(1, 1686784120), (2, 843392060), (4, 421696030), (5, 337356824), (7, 240969160), (8, 210848015), (10, 168678412), (14, 120484580), (20, 84339206), (23, 73338440), (28, 60242290), (35, 48193832), (37, 45588760), (40, 42169603), (46, 36669220), (56, 30121145), (70, 24096916), (74, 22794380), (92, 18334610), (115, 14667688), (140, 12048458), (148, 11397190), (161, 10476920), (184, 9167305), (185, 9117752), (230, 7333844), (259, 6512680), (280, 6024229), (296, 5698595), (322, 5238460), (370, 4558876), (460, 3666922), (518, 3256340), (644, 2619230), (740, 2279438), (805, 2095384), (851, 1982120), (920, 1833461), (1036, 1628170), (1288, 1309615), (1295, 1302536), (1480, 1139719), (1610, 1047692), (1702, 991060), (2072, 814085), (2590, 651268), (3220, 523846), (3404, 495530), (4255, 396424), (5180, 325634), (5957, 283160), (6440, 261923), (6808, 247765), (7079, 238280), (8510, 198212), (10360, 162817), (11914, 141580), (14158, 119140), (17020, 99106), (23828, 70790), (28316, 59570), (29785, 56632), (34040, 49553), (35395, 47656)]