42390180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2018

約数の個数: 144

約数和(自身を含む): 155675520

約数和(自身を除く): 113285340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1979, 2142, 2380, 3060, 3570, 3958, 4284, 5355, 5937, 7140, 7916, 9895, 10710, 11874, 13853, 17811, 19790, 21420, 23748, 27706, 29685, 33643, 35622, 39580, 41559, 55412, 59370, 67286, 69265, 71244, 83118, 89055, 100929, 118740, 124677, 134572, 138530, 166236, 168215, 178110, 201858, 207795, 235501, 249354, 277060, 302787, 336430, 356220, 403716, 415590, 471002, 498708, 504645, 605574, 623385, 672860, 706503, 831180, 942004, 1009290, 1177505, 1211148, 1246770, 1413006, 1513935, 2018580, 2119509, 2355010, 2493540, 2826012, 3027870, 3532515, 4239018, 4710020, 6055740, 7065030, 8478036, 10597545, 14130060, 21195090, 42390180]

約数ペア:

[(1, 42390180), (2, 21195090), (3, 14130060), (4, 10597545), (5, 8478036), (6, 7065030), (7, 6055740), (9, 4710020), (10, 4239018), (12, 3532515), (14, 3027870), (15, 2826012), (17, 2493540), (18, 2355010), (20, 2119509), (21, 2018580), (28, 1513935), (30, 1413006), (34, 1246770), (35, 1211148), (36, 1177505), (42, 1009290), (45, 942004), (51, 831180), (60, 706503), (63, 672860), (68, 623385), (70, 605574), (84, 504645), (85, 498708), (90, 471002), (102, 415590), (105, 403716), (119, 356220), (126, 336430), (140, 302787), (153, 277060), (170, 249354), (180, 235501), (204, 207795), (210, 201858), (238, 178110), (252, 168215), (255, 166236), (306, 138530), (315, 134572), (340, 124677), (357, 118740), (420, 100929), (476, 89055), (510, 83118), (595, 71244), (612, 69265), (630, 67286), (714, 59370), (765, 55412), (1020, 41559), (1071, 39580), (1190, 35622), (1260, 33643), (1428, 29685), (1530, 27706), (1785, 23748), (1979, 21420), (2142, 19790), (2380, 17811), (3060, 13853), (3570, 11874), (3958, 10710), (4284, 9895), (5355, 7916), (5937, 7140)]