19947921840

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39979}}^1$

素因数の和:40022

約数の個数: 400

約数和(自身を含む): 86379828480

約数和(自身を除く): 66431906640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 162, 165, 168, 176, 180, 189, 198, 210, 216, 220, 231, 240, 252, 264, 270, 280, 297, 308, 315, 324, 330, 336, 360, 378, 385, 396, 405, 420, 432, 440, 462, 495, 504, 528, 540, 560, 567, 594, 616, 630, 648, 660, 693, 720, 756, 770, 792, 810, 840, 880, 891, 924, 945, 990, 1008, 1080, 1134, 1155, 1188, 1232, 1260, 1296, 1320, 1386, 1485, 1512, 1540, 1584, 1620, 1680, 1782, 1848, 1890, 1980, 2079, 2160, 2268, 2310, 2376, 2520, 2640, 2772, 2835, 2970, 3024, 3080, 3240, 3465, 3564, 3696, 3780, 3960, 4158, 4455, 4536, 4620, 4752, 5040, 5544, 5670, 5940, 6160, 6237, 6480, 6930, 7128, 7560, 7920, 8316, 8910, 9072, 9240, 10395, 11088, 11340, 11880, 12474, 13860, 14256, 15120, 16632, 17820, 18480, 20790, 22680, 23760, 24948, 27720, 31185, 33264, 35640, 39979, 41580, 45360, 49896, 55440, 62370, 71280, 79958, 83160, 99792, 119937, 124740, 159916, 166320, 199895, 239874, 249480, 279853, 319832, 359811, 399790, 439769, 479748, 498960, 559706, 599685, 639664, 719622, 799580, 839559, 879538, 959496, 1079433, 1119412, 1199370, 1319307, 1399265, 1439244, 1599160, 1679118, 1759076, 1799055, 1918992, 2158866, 2198845, 2238824, 2398740, 2518677, 2638614, 2798530, 2878488, 3078383, 3198320, 3238299, 3358236, 3518152, 3598110, 3957921, 4197795, 4317732, 4397690, 4477648, 4797480, 5037354, 5277228, 5397165, 5597060, 5756976, 6156766, 6476598, 6596535, 6716472, 7036304, 7196220, 7556031, 7915842, 8395590, 8635464, 8795380, 9235149, 9594960, 10074708, 10554456, 10794330, 11194120, 11873763, 12313532, 12593385, 12953196, 13193070, 13432944, 14392440, 15112062, 15391915, 15831684, 16191495, 16791180, 17270928, 17590760, 18470298, 19789605, 20149416, 21108912, 21588660, 22388240, 22668093, 23747526, 24627064, 25186770, 25906392, 26386140, 27705447, 28784880, 30224124, 30783830, 31663368, 32382990, 33582360, 35181520, 35621289, 36940596, 37780155, 39579210, 40298832, 43177320, 45336186, 46175745, 47495052, 49254128, 50373540, 51812784, 52772280, 55410894, 59368815, 60448248, 61567660, 63326736, 64765980, 67164720, 71242578, 73881192, 75560310, 79158420, 83116341, 86354640, 90672372, 92351490, 94990104, 100747080, 105544560, 110821788, 113340465, 118737630, 120896496, 123135320, 129531960, 138527235, 142485156, 147762384, 151120620, 158316840, 166232682, 178106445, 181344744, 184702980, 189980208, 201494160, 221643576, 226680930, 237475260, 246270640, 249349023, 259063920, 277054470, 284970312, 302241240, 316633680, 332465364, 356212890, 362689488, 369405960, 415581705, 443287152, 453361860, 474950520, 498698046, 554108940, 569940624, 604482480, 664930728, 712425780, 738811920, 831163410, 906723720, 949901040, 997396092, 1108217880, 1246745115, 1329861456, 1424851560, 1662326820, 1813447440, 1994792184, 2216435760, 2493490230, 2849703120, 3324653640, 3989584368, 4986980460, 6649307280, 9973960920, 19947921840]

約数ペア:

[(1, 19947921840), (2, 9973960920), (3, 6649307280), (4, 4986980460), (5, 3989584368), (6, 3324653640), (7, 2849703120), (8, 2493490230), (9, 2216435760), (10, 1994792184), (11, 1813447440), (12, 1662326820), (14, 1424851560), (15, 1329861456), (16, 1246745115), (18, 1108217880), (20, 997396092), (21, 949901040), (22, 906723720), (24, 831163410), (27, 738811920), (28, 712425780), (30, 664930728), (33, 604482480), (35, 569940624), (36, 554108940), (40, 498698046), (42, 474950520), (44, 453361860), (45, 443287152), (48, 415581705), (54, 369405960), (55, 362689488), (56, 356212890), (60, 332465364), (63, 316633680), (66, 302241240), (70, 284970312), (72, 277054470), (77, 259063920), (80, 249349023), (81, 246270640), (84, 237475260), (88, 226680930), (90, 221643576), (99, 201494160), (105, 189980208), (108, 184702980), (110, 181344744), (112, 178106445), (120, 166232682), (126, 158316840), (132, 151120620), (135, 147762384), (140, 142485156), (144, 138527235), (154, 129531960), (162, 123135320), (165, 120896496), (168, 118737630), (176, 113340465), (180, 110821788), (189, 105544560), (198, 100747080), (210, 94990104), (216, 92351490), (220, 90672372), (231, 86354640), (240, 83116341), (252, 79158420), (264, 75560310), (270, 73881192), (280, 71242578), (297, 67164720), (308, 64765980), (315, 63326736), (324, 61567660), (330, 60448248), (336, 59368815), (360, 55410894), (378, 52772280), (385, 51812784), (396, 50373540), (405, 49254128), (420, 47495052), (432, 46175745), (440, 45336186), (462, 43177320), (495, 40298832), (504, 39579210), (528, 37780155), (540, 36940596), (560, 35621289), (567, 35181520), (594, 33582360), (616, 32382990), (630, 31663368), (648, 30783830), (660, 30224124), (693, 28784880), (720, 27705447), (756, 26386140), (770, 25906392), (792, 25186770), (810, 24627064), (840, 23747526), (880, 22668093), (891, 22388240), (924, 21588660), (945, 21108912), (990, 20149416), (1008, 19789605), (1080, 18470298), (1134, 17590760), (1155, 17270928), (1188, 16791180), (1232, 16191495), (1260, 15831684), (1296, 15391915), (1320, 15112062), (1386, 14392440), (1485, 13432944), (1512, 13193070), (1540, 12953196), (1584, 12593385), (1620, 12313532), (1680, 11873763), (1782, 11194120), (1848, 10794330), (1890, 10554456), (1980, 10074708), (2079, 9594960), (2160, 9235149), (2268, 8795380), (2310, 8635464), (2376, 8395590), (2520, 7915842), (2640, 7556031), (2772, 7196220), (2835, 7036304), (2970, 6716472), (3024, 6596535), (3080, 6476598), (3240, 6156766), (3465, 5756976), (3564, 5597060), (3696, 5397165), (3780, 5277228), (3960, 5037354), (4158, 4797480), (4455, 4477648), (4536, 4397690), (4620, 4317732), (4752, 4197795), (5040, 3957921), (5544, 3598110), (5670, 3518152), (5940, 3358236), (6160, 3238299), (6237, 3198320), (6480, 3078383), (6930, 2878488), (7128, 2798530), (7560, 2638614), (7920, 2518677), (8316, 2398740), (8910, 2238824), (9072, 2198845), (9240, 2158866), (10395, 1918992), (11088, 1799055), (11340, 1759076), (11880, 1679118), (12474, 1599160), (13860, 1439244), (14256, 1399265), (15120, 1319307), (16632, 1199370), (17820, 1119412), (18480, 1079433), (20790, 959496), (22680, 879538), (23760, 839559), (24948, 799580), (27720, 719622), (31185, 639664), (33264, 599685), (35640, 559706), (39979, 498960), (41580, 479748), (45360, 439769), (49896, 399790), (55440, 359811), (62370, 319832), (71280, 279853), (79958, 249480), (83160, 239874), (99792, 199895), (119937, 166320), (124740, 159916)]