28399140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:719

約数の個数: 192

約数和(自身を含む): 110315520

約数和(自身を除く): 81916380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 683, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1366, 1386, 1485, 1540, 1890, 1980, 2049, 2079, 2310, 2732, 2772, 2970, 3415, 3465, 3780, 4098, 4158, 4620, 4781, 5940, 6147, 6830, 6930, 7513, 8196, 8316, 9562, 10245, 10395, 12294, 13660, 13860, 14343, 15026, 18441, 19124, 20490, 20790, 22539, 23905, 24588, 28686, 30052, 30735, 36882, 37565, 40980, 41580, 43029, 45078, 47810, 52591, 57372, 61470, 67617, 71715, 73764, 75130, 86058, 90156, 92205, 95620, 105182, 112695, 122940, 129087, 135234, 143430, 150260, 157773, 172116, 184410, 202851, 210364, 215145, 225390, 258174, 262955, 270468, 286860, 315546, 338085, 368820, 405702, 430290, 450780, 473319, 516348, 525910, 631092, 645435, 676170, 788865, 811404, 860580, 946638, 1014255, 1051820, 1290870, 1352340, 1419957, 1577730, 1893276, 2028510, 2366595, 2581740, 2839914, 3155460, 4057020, 4733190, 5679828, 7099785, 9466380, 14199570, 28399140]

約数ペア:

[(1, 28399140), (2, 14199570), (3, 9466380), (4, 7099785), (5, 5679828), (6, 4733190), (7, 4057020), (9, 3155460), (10, 2839914), (11, 2581740), (12, 2366595), (14, 2028510), (15, 1893276), (18, 1577730), (20, 1419957), (21, 1352340), (22, 1290870), (27, 1051820), (28, 1014255), (30, 946638), (33, 860580), (35, 811404), (36, 788865), (42, 676170), (44, 645435), (45, 631092), (54, 525910), (55, 516348), (60, 473319), (63, 450780), (66, 430290), (70, 405702), (77, 368820), (84, 338085), (90, 315546), (99, 286860), (105, 270468), (108, 262955), (110, 258174), (126, 225390), (132, 215145), (135, 210364), (140, 202851), (154, 184410), (165, 172116), (180, 157773), (189, 150260), (198, 143430), (210, 135234), (220, 129087), (231, 122940), (252, 112695), (270, 105182), (297, 95620), (308, 92205), (315, 90156), (330, 86058), (378, 75130), (385, 73764), (396, 71715), (420, 67617), (462, 61470), (495, 57372), (540, 52591), (594, 47810), (630, 45078), (660, 43029), (683, 41580), (693, 40980), (756, 37565), (770, 36882), (924, 30735), (945, 30052), (990, 28686), (1155, 24588), (1188, 23905), (1260, 22539), (1366, 20790), (1386, 20490), (1485, 19124), (1540, 18441), (1890, 15026), (1980, 14343), (2049, 13860), (2079, 13660), (2310, 12294), (2732, 10395), (2772, 10245), (2970, 9562), (3415, 8316), (3465, 8196), (3780, 7513), (4098, 6930), (4158, 6830), (4620, 6147), (4781, 5940)]