80415720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:1005

約数の個数: 256

約数和(自身を含む): 334540800

約数和(自身を除く): 254125080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 967, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1934, 1980, 2079, 2310, 2376, 2520, 2772, 2901, 2970, 3080, 3465, 3780, 3868, 3960, 4158, 4620, 4835, 5544, 5802, 5940, 6769, 6930, 7560, 7736, 8316, 8703, 9240, 9670, 10395, 10637, 11604, 11880, 13538, 13860, 14505, 16632, 17406, 19340, 20307, 20790, 21274, 23208, 26109, 27076, 27720, 29010, 31911, 33845, 34812, 38680, 40614, 41580, 42548, 43515, 52218, 53185, 54152, 58020, 60921, 63822, 67690, 69624, 74459, 81228, 83160, 85096, 87030, 95733, 101535, 104436, 106370, 116040, 121842, 127644, 130545, 135380, 148918, 159555, 162456, 174060, 182763, 191466, 203070, 208872, 212740, 223377, 243684, 255288, 261090, 270760, 287199, 297836, 304605, 319110, 348120, 365526, 372295, 382932, 406140, 425480, 446754, 478665, 487368, 522180, 574398, 595672, 609210, 638220, 670131, 731052, 744590, 765864, 812280, 893508, 913815, 957330, 1044360, 1116885, 1148796, 1218420, 1276440, 1340262, 1435995, 1462104, 1489180, 1787016, 1827630, 1914660, 2010393, 2233770, 2297592, 2436840, 2680524, 2871990, 2978360, 3350655, 3655260, 3829320, 4020786, 4467540, 5361048, 5743980, 6701310, 7310520, 8041572, 8935080, 10051965, 11487960, 13402620, 16083144, 20103930, 26805240, 40207860, 80415720]

約数ペア:

[(1, 80415720), (2, 40207860), (3, 26805240), (4, 20103930), (5, 16083144), (6, 13402620), (7, 11487960), (8, 10051965), (9, 8935080), (10, 8041572), (11, 7310520), (12, 6701310), (14, 5743980), (15, 5361048), (18, 4467540), (20, 4020786), (21, 3829320), (22, 3655260), (24, 3350655), (27, 2978360), (28, 2871990), (30, 2680524), (33, 2436840), (35, 2297592), (36, 2233770), (40, 2010393), (42, 1914660), (44, 1827630), (45, 1787016), (54, 1489180), (55, 1462104), (56, 1435995), (60, 1340262), (63, 1276440), (66, 1218420), (70, 1148796), (72, 1116885), (77, 1044360), (84, 957330), (88, 913815), (90, 893508), (99, 812280), (105, 765864), (108, 744590), (110, 731052), (120, 670131), (126, 638220), (132, 609210), (135, 595672), (140, 574398), (154, 522180), (165, 487368), (168, 478665), (180, 446754), (189, 425480), (198, 406140), (210, 382932), (216, 372295), (220, 365526), (231, 348120), (252, 319110), (264, 304605), (270, 297836), (280, 287199), (297, 270760), (308, 261090), (315, 255288), (330, 243684), (360, 223377), (378, 212740), (385, 208872), (396, 203070), (420, 191466), (440, 182763), (462, 174060), (495, 162456), (504, 159555), (540, 148918), (594, 135380), (616, 130545), (630, 127644), (660, 121842), (693, 116040), (756, 106370), (770, 104436), (792, 101535), (840, 95733), (924, 87030), (945, 85096), (967, 83160), (990, 81228), (1080, 74459), (1155, 69624), (1188, 67690), (1260, 63822), (1320, 60921), (1386, 58020), (1485, 54152), (1512, 53185), (1540, 52218), (1848, 43515), (1890, 42548), (1934, 41580), (1980, 40614), (2079, 38680), (2310, 34812), (2376, 33845), (2520, 31911), (2772, 29010), (2901, 27720), (2970, 27076), (3080, 26109), (3465, 23208), (3780, 21274), (3868, 20790), (3960, 20307), (4158, 19340), (4620, 17406), (4835, 16632), (5544, 14505), (5802, 13860), (5940, 13538), (6769, 11880), (6930, 11604), (7560, 10637), (7736, 10395), (8316, 9670), (8703, 9240)]