820501920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 384

約数和(自身を含む): 3363655680

約数和(自身を除く): 2543153760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 108, 112, 120, 126, 129, 135, 140, 144, 160, 168, 172, 180, 189, 210, 215, 216, 224, 240, 252, 258, 270, 280, 288, 301, 315, 336, 344, 360, 378, 387, 420, 430, 432, 480, 504, 516, 540, 560, 602, 630, 631, 645, 672, 688, 720, 756, 774, 840, 860, 864, 903, 945, 1008, 1032, 1080, 1120, 1161, 1204, 1260, 1262, 1290, 1376, 1440, 1505, 1512, 1548, 1680, 1720, 1806, 1890, 1893, 1935, 2016, 2064, 2160, 2322, 2408, 2520, 2524, 2580, 2709, 3010, 3024, 3096, 3155, 3360, 3440, 3612, 3780, 3786, 3870, 4128, 4320, 4417, 4515, 4644, 4816, 5040, 5048, 5160, 5418, 5679, 5805, 6020, 6048, 6192, 6310, 6880, 7224, 7560, 7572, 7740, 8127, 8834, 9030, 9288, 9465, 9632, 10080, 10096, 10320, 10836, 11358, 11610, 12040, 12384, 12620, 13251, 13545, 14448, 15120, 15144, 15480, 16254, 17037, 17668, 18060, 18576, 18930, 20192, 20640, 21672, 22085, 22716, 23220, 24080, 25240, 26502, 27090, 27133, 28395, 28896, 30240, 30288, 30960, 32508, 34074, 35336, 36120, 37152, 37860, 39753, 40635, 43344, 44170, 45432, 46440, 48160, 50480, 53004, 54180, 54266, 56790, 60576, 61920, 65016, 66255, 68148, 70672, 72240, 75720, 79506, 81270, 81399, 85185, 86688, 88340, 90864, 92880, 100960, 106008, 108360, 108532, 113580, 119259, 130032, 132510, 135665, 136296, 141344, 144480, 151440, 159012, 162540, 162798, 170370, 176680, 181728, 185760, 189931, 198765, 212016, 216720, 217064, 227160, 238518, 244197, 260064, 265020, 271330, 272592, 302880, 318024, 325080, 325596, 340740, 353360, 379862, 397530, 406995, 424032, 433440, 434128, 454320, 477036, 488394, 530040, 542660, 545184, 569793, 596295, 636048, 650160, 651192, 681480, 706720, 732591, 759724, 795060, 813990, 868256, 908640, 949655, 954072, 976788, 1060080, 1085320, 1139586, 1192590, 1220985, 1272096, 1300320, 1302384, 1362960, 1465182, 1519448, 1590120, 1627980, 1709379, 1899310, 1908144, 1953576, 2120160, 2170640, 2279172, 2385180, 2441970, 2604768, 2725920, 2848965, 2930364, 3038896, 3180240, 3255960, 3418758, 3662955, 3798620, 3816288, 3907152, 4341280, 4558344, 4770360, 4883940, 5128137, 5697930, 5860728, 6077792, 6360480, 6511920, 6837516, 7325910, 7597240, 7814304, 8546895, 9116688, 9540720, 9767880, 10256274, 11395860, 11721456, 13023840, 13675032, 14651820, 15194480, 17093790, 18233376, 19081440, 19535760, 20512548, 22791720, 23442912, 25640685, 27350064, 29303640, 30388960, 34187580, 39071520, 41025096, 45583440, 51281370, 54700128, 58607280, 68375160, 82050192, 91166880, 102562740, 117214560, 136750320, 164100384, 205125480, 273500640, 410250960, 820501920]

約数ペア:

[(1, 820501920), (2, 410250960), (3, 273500640), (4, 205125480), (5, 164100384), (6, 136750320), (7, 117214560), (8, 102562740), (9, 91166880), (10, 82050192), (12, 68375160), (14, 58607280), (15, 54700128), (16, 51281370), (18, 45583440), (20, 41025096), (21, 39071520), (24, 34187580), (27, 30388960), (28, 29303640), (30, 27350064), (32, 25640685), (35, 23442912), (36, 22791720), (40, 20512548), (42, 19535760), (43, 19081440), (45, 18233376), (48, 17093790), (54, 15194480), (56, 14651820), (60, 13675032), (63, 13023840), (70, 11721456), (72, 11395860), (80, 10256274), (84, 9767880), (86, 9540720), (90, 9116688), (96, 8546895), (105, 7814304), (108, 7597240), (112, 7325910), (120, 6837516), (126, 6511920), (129, 6360480), (135, 6077792), (140, 5860728), (144, 5697930), (160, 5128137), (168, 4883940), (172, 4770360), (180, 4558344), (189, 4341280), (210, 3907152), (215, 3816288), (216, 3798620), (224, 3662955), (240, 3418758), (252, 3255960), (258, 3180240), (270, 3038896), (280, 2930364), (288, 2848965), (301, 2725920), (315, 2604768), (336, 2441970), (344, 2385180), (360, 2279172), (378, 2170640), (387, 2120160), (420, 1953576), (430, 1908144), (432, 1899310), (480, 1709379), (504, 1627980), (516, 1590120), (540, 1519448), (560, 1465182), (602, 1362960), (630, 1302384), (631, 1300320), (645, 1272096), (672, 1220985), (688, 1192590), (720, 1139586), (756, 1085320), (774, 1060080), (840, 976788), (860, 954072), (864, 949655), (903, 908640), (945, 868256), (1008, 813990), (1032, 795060), (1080, 759724), (1120, 732591), (1161, 706720), (1204, 681480), (1260, 651192), (1262, 650160), (1290, 636048), (1376, 596295), (1440, 569793), (1505, 545184), (1512, 542660), (1548, 530040), (1680, 488394), (1720, 477036), (1806, 454320), (1890, 434128), (1893, 433440), (1935, 424032), (2016, 406995), (2064, 397530), (2160, 379862), (2322, 353360), (2408, 340740), (2520, 325596), (2524, 325080), (2580, 318024), (2709, 302880), (3010, 272592), (3024, 271330), (3096, 265020), (3155, 260064), (3360, 244197), (3440, 238518), (3612, 227160), (3780, 217064), (3786, 216720), (3870, 212016), (4128, 198765), (4320, 189931), (4417, 185760), (4515, 181728), (4644, 176680), (4816, 170370), (5040, 162798), (5048, 162540), (5160, 159012), (5418, 151440), (5679, 144480), (5805, 141344), (6020, 136296), (6048, 135665), (6192, 132510), (6310, 130032), (6880, 119259), (7224, 113580), (7560, 108532), (7572, 108360), (7740, 106008), (8127, 100960), (8834, 92880), (9030, 90864), (9288, 88340), (9465, 86688), (9632, 85185), (10080, 81399), (10096, 81270), (10320, 79506), (10836, 75720), (11358, 72240), (11610, 70672), (12040, 68148), (12384, 66255), (12620, 65016), (13251, 61920), (13545, 60576), (14448, 56790), (15120, 54266), (15144, 54180), (15480, 53004), (16254, 50480), (17037, 48160), (17668, 46440), (18060, 45432), (18576, 44170), (18930, 43344), (20192, 40635), (20640, 39753), (21672, 37860), (22085, 37152), (22716, 36120), (23220, 35336), (24080, 34074), (25240, 32508), (26502, 30960), (27090, 30288), (27133, 30240), (28395, 28896)]