821434320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{467}}^1$

素因数の和:842

約数の個数: 240

約数和(自身を含む): 3168547200

約数和(自身を除く): 2347112880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 349, 360, 420, 467, 504, 560, 630, 698, 720, 840, 934, 1008, 1047, 1260, 1396, 1401, 1680, 1745, 1868, 2094, 2335, 2443, 2520, 2792, 2802, 3141, 3269, 3490, 3736, 4188, 4203, 4670, 4886, 5040, 5235, 5584, 5604, 6282, 6538, 6980, 7005, 7329, 7472, 8376, 8406, 9340, 9772, 9807, 10470, 11208, 12215, 12564, 13076, 13960, 14010, 14658, 15705, 16345, 16752, 16812, 18680, 19544, 19614, 20940, 21015, 21987, 22416, 24430, 25128, 26152, 27920, 28020, 29316, 29421, 31410, 32690, 33624, 36645, 37360, 39088, 39228, 41880, 42030, 43974, 48860, 49035, 50256, 52304, 56040, 58632, 58842, 62820, 65380, 67248, 73290, 78456, 83760, 84060, 87948, 97720, 98070, 109935, 112080, 117264, 117684, 125640, 130760, 146580, 147105, 156912, 162983, 168120, 175896, 195440, 196140, 219870, 235368, 251280, 261520, 293160, 294210, 325966, 336240, 351792, 392280, 439740, 470736, 488949, 586320, 588420, 651932, 784560, 814915, 879480, 977898, 1140881, 1176840, 1303864, 1466847, 1629830, 1758960, 1955796, 2281762, 2353680, 2444745, 2607728, 2933694, 3259660, 3422643, 3911592, 4563524, 4889490, 5704405, 5867388, 6519320, 6845286, 7334235, 7823184, 9127048, 9778980, 10267929, 11408810, 11734776, 13038640, 13690572, 14668470, 17113215, 18254096, 19557960, 20535858, 22817620, 23469552, 27381144, 29336940, 34226430, 39115920, 41071716, 45635240, 51339645, 54762288, 58673880, 68452860, 82143432, 91270480, 102679290, 117347760, 136905720, 164286864, 205358580, 273811440, 410717160, 821434320]

約数ペア:

[(1, 821434320), (2, 410717160), (3, 273811440), (4, 205358580), (5, 164286864), (6, 136905720), (7, 117347760), (8, 102679290), (9, 91270480), (10, 82143432), (12, 68452860), (14, 58673880), (15, 54762288), (16, 51339645), (18, 45635240), (20, 41071716), (21, 39115920), (24, 34226430), (28, 29336940), (30, 27381144), (35, 23469552), (36, 22817620), (40, 20535858), (42, 19557960), (45, 18254096), (48, 17113215), (56, 14668470), (60, 13690572), (63, 13038640), (70, 11734776), (72, 11408810), (80, 10267929), (84, 9778980), (90, 9127048), (105, 7823184), (112, 7334235), (120, 6845286), (126, 6519320), (140, 5867388), (144, 5704405), (168, 4889490), (180, 4563524), (210, 3911592), (240, 3422643), (252, 3259660), (280, 2933694), (315, 2607728), (336, 2444745), (349, 2353680), (360, 2281762), (420, 1955796), (467, 1758960), (504, 1629830), (560, 1466847), (630, 1303864), (698, 1176840), (720, 1140881), (840, 977898), (934, 879480), (1008, 814915), (1047, 784560), (1260, 651932), (1396, 588420), (1401, 586320), (1680, 488949), (1745, 470736), (1868, 439740), (2094, 392280), (2335, 351792), (2443, 336240), (2520, 325966), (2792, 294210), (2802, 293160), (3141, 261520), (3269, 251280), (3490, 235368), (3736, 219870), (4188, 196140), (4203, 195440), (4670, 175896), (4886, 168120), (5040, 162983), (5235, 156912), (5584, 147105), (5604, 146580), (6282, 130760), (6538, 125640), (6980, 117684), (7005, 117264), (7329, 112080), (7472, 109935), (8376, 98070), (8406, 97720), (9340, 87948), (9772, 84060), (9807, 83760), (10470, 78456), (11208, 73290), (12215, 67248), (12564, 65380), (13076, 62820), (13960, 58842), (14010, 58632), (14658, 56040), (15705, 52304), (16345, 50256), (16752, 49035), (16812, 48860), (18680, 43974), (19544, 42030), (19614, 41880), (20940, 39228), (21015, 39088), (21987, 37360), (22416, 36645), (24430, 33624), (25128, 32690), (26152, 31410), (27920, 29421), (28020, 29316)]