978381180

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{28759}}^1$

素因数の和:28790

約数の個数: 144

約数和(自身を含む): 3517463040

約数和(自身を除く): 2539081860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 28759, 34020, 57518, 86277, 115036, 143795, 172554, 201313, 258831, 287590, 345108, 402626, 431385, 517662, 575180, 603939, 776493, 805252, 862770, 1006565, 1035324, 1207878, 1294155, 1552986, 1725540, 1811817, 2013130, 2329479, 2415756, 2588310, 3019695, 3105972, 3623634, 3882465, 4026260, 4658958, 5176620, 5435451, 6039390, 6988437, 7247268, 7764930, 9059085, 9317916, 10870902, 11647395, 12078780, 13976874, 15529860, 16306353, 18118170, 21741804, 23294790, 27177255, 27953748, 32612706, 34942185, 36236340, 46589580, 48919059, 54354510, 65225412, 69884370, 81531765, 97838118, 108709020, 139768740, 163063530, 195676236, 244595295, 326127060, 489190590, 978381180]

約数ペア:

[(1, 978381180), (2, 489190590), (3, 326127060), (4, 244595295), (5, 195676236), (6, 163063530), (7, 139768740), (9, 108709020), (10, 97838118), (12, 81531765), (14, 69884370), (15, 65225412), (18, 54354510), (20, 48919059), (21, 46589580), (27, 36236340), (28, 34942185), (30, 32612706), (35, 27953748), (36, 27177255), (42, 23294790), (45, 21741804), (54, 18118170), (60, 16306353), (63, 15529860), (70, 13976874), (81, 12078780), (84, 11647395), (90, 10870902), (105, 9317916), (108, 9059085), (126, 7764930), (135, 7247268), (140, 6988437), (162, 6039390), (180, 5435451), (189, 5176620), (210, 4658958), (243, 4026260), (252, 3882465), (270, 3623634), (315, 3105972), (324, 3019695), (378, 2588310), (405, 2415756), (420, 2329479), (486, 2013130), (540, 1811817), (567, 1725540), (630, 1552986), (756, 1294155), (810, 1207878), (945, 1035324), (972, 1006565), (1134, 862770), (1215, 805252), (1260, 776493), (1620, 603939), (1701, 575180), (1890, 517662), (2268, 431385), (2430, 402626), (2835, 345108), (3402, 287590), (3780, 258831), (4860, 201313), (5670, 172554), (6804, 143795), (8505, 115036), (11340, 86277), (17010, 57518), (28759, 34020)]