1581491520

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 448

約数和(自身を含む): 6476390400

約数和(自身を除く): 4894898880

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, 45, 48, 54, 56, 60, 63, 64, 70, 72, 79, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 158, 160, 168, 180, 189, 192, 210, 216, 224, 237, 240, 252, 270, 280, 288, 315, 316, 320, 331, 336, 360, 378, 395, 420, 432, 448, 474, 480, 504, 540, 553, 560, 576, 630, 632, 662, 672, 711, 720, 756, 790, 840, 864, 945, 948, 960, 993, 1008, 1080, 1106, 1120, 1185, 1260, 1264, 1324, 1344, 1422, 1440, 1512, 1580, 1655, 1659, 1680, 1728, 1890, 1896, 1986, 2016, 2133, 2160, 2212, 2240, 2317, 2370, 2520, 2528, 2648, 2765, 2844, 2880, 2979, 3024, 3160, 3310, 3318, 3360, 3555, 3780, 3792, 3972, 4032, 4266, 4320, 4424, 4634, 4740, 4965, 4977, 5040, 5056, 5296, 5530, 5688, 5958, 6048, 6320, 6620, 6636, 6720, 6951, 7110, 7560, 7584, 7944, 8295, 8532, 8640, 8848, 8937, 9268, 9480, 9930, 9954, 10080, 10592, 10665, 11060, 11376, 11585, 11916, 12096, 12640, 13240, 13272, 13902, 14220, 14895, 14931, 15120, 15168, 15888, 16590, 17064, 17696, 17874, 18536, 18960, 19860, 19908, 20160, 20853, 21184, 21330, 22120, 22752, 23170, 23832, 24885, 25280, 26149, 26480, 26544, 27804, 28440, 29790, 29862, 30240, 31776, 33180, 34128, 34755, 35392, 35748, 37072, 37920, 39720, 39816, 41706, 42660, 44240, 44685, 45504, 46340, 47664, 49770, 52298, 52960, 53088, 55608, 56880, 59580, 59724, 60480, 62559, 63552, 66360, 68256, 69510, 71496, 74144, 74655, 75840, 78447, 79440, 79632, 83412, 85320, 88480, 89370, 92680, 95328, 99540, 104265, 104596, 105920, 106176, 111216, 113760, 119160, 119448, 125118, 130745, 132720, 136512, 139020, 142992, 148288, 149310, 156894, 158880, 159264, 166824, 170640, 176960, 178740, 183043, 185360, 190656, 199080, 208530, 209192, 222432, 227520, 235341, 238320, 238896, 250236, 261490, 265440, 278040, 285984, 298620, 312795, 313788, 317760, 318528, 333648, 341280, 357480, 366086, 370720, 392235, 398160, 417060, 418384, 444864, 470682, 476640, 477792, 500472, 522980, 530880, 549129, 556080, 571968, 597240, 625590, 627576, 667296, 682560, 706023, 714960, 732172, 741440, 784470, 796320, 834120, 836768, 915215, 941364, 953280, 955584, 1000944, 1045960, 1098258, 1112160, 1176705, 1194480, 1251180, 1255152, 1334592, 1412046, 1429920, 1464344, 1568940, 1592640, 1647387, 1668240, 1673536, 1830430, 1882728, 2001888, 2091920, 2196516, 2224320, 2353410, 2388960, 2502360, 2510304, 2745645, 2824092, 2859840, 2928688, 3137880, 3294774, 3336480, 3530115, 3660860, 3765456, 4003776, 4183840, 4393032, 4706820, 4777920, 4942161, 5004720, 5020608, 5491290, 5648184, 5857376, 6275760, 6589548, 6672960, 7060230, 7321720, 7530912, 8236935, 8367680, 8786064, 9413640, 9884322, 10009440, 10982580, 11296368, 11714752, 12551520, 13179096, 14120460, 14643440, 15061824, 16473870, 17572128, 18827280, 19768644, 20018880, 21965160, 22592736, 24710805, 25103040, 26358192, 28240920, 29286880, 32947740, 35144256, 37654560, 39537288, 43930320, 45185472, 49421610, 52716384, 56481840, 58573760, 65895480, 75309120, 79074576, 87860640, 98843220, 105432768, 112963680, 131790960, 158149152, 175721280, 197686440, 225927360, 263581920, 316298304, 395372880, 527163840, 790745760, 1581491520]

約数ペア:

[(1, 1581491520), (2, 790745760), (3, 527163840), (4, 395372880), (5, 316298304), (6, 263581920), (7, 225927360), (8, 197686440), (9, 175721280), (10, 158149152), (12, 131790960), (14, 112963680), (15, 105432768), (16, 98843220), (18, 87860640), (20, 79074576), (21, 75309120), (24, 65895480), (27, 58573760), (28, 56481840), (30, 52716384), (32, 49421610), (35, 45185472), (36, 43930320), (40, 39537288), (42, 37654560), (45, 35144256), (48, 32947740), (54, 29286880), (56, 28240920), (60, 26358192), (63, 25103040), (64, 24710805), (70, 22592736), (72, 21965160), (79, 20018880), (80, 19768644), (84, 18827280), (90, 17572128), (96, 16473870), (105, 15061824), (108, 14643440), (112, 14120460), (120, 13179096), (126, 12551520), (135, 11714752), (140, 11296368), (144, 10982580), (158, 10009440), (160, 9884322), (168, 9413640), (180, 8786064), (189, 8367680), (192, 8236935), (210, 7530912), (216, 7321720), (224, 7060230), (237, 6672960), (240, 6589548), (252, 6275760), (270, 5857376), (280, 5648184), (288, 5491290), (315, 5020608), (316, 5004720), (320, 4942161), (331, 4777920), (336, 4706820), (360, 4393032), (378, 4183840), (395, 4003776), (420, 3765456), (432, 3660860), (448, 3530115), (474, 3336480), (480, 3294774), (504, 3137880), (540, 2928688), (553, 2859840), (560, 2824092), (576, 2745645), (630, 2510304), (632, 2502360), (662, 2388960), (672, 2353410), (711, 2224320), (720, 2196516), (756, 2091920), (790, 2001888), (840, 1882728), (864, 1830430), (945, 1673536), (948, 1668240), (960, 1647387), (993, 1592640), (1008, 1568940), (1080, 1464344), (1106, 1429920), (1120, 1412046), (1185, 1334592), (1260, 1255152), (1264, 1251180), (1324, 1194480), (1344, 1176705), (1422, 1112160), (1440, 1098258), (1512, 1045960), (1580, 1000944), (1655, 955584), (1659, 953280), (1680, 941364), (1728, 915215), (1890, 836768), (1896, 834120), (1986, 796320), (2016, 784470), (2133, 741440), (2160, 732172), (2212, 714960), (2240, 706023), (2317, 682560), (2370, 667296), (2520, 627576), (2528, 625590), (2648, 597240), (2765, 571968), (2844, 556080), (2880, 549129), (2979, 530880), (3024, 522980), (3160, 500472), (3310, 477792), (3318, 476640), (3360, 470682), (3555, 444864), (3780, 418384), (3792, 417060), (3972, 398160), (4032, 392235), (4266, 370720), (4320, 366086), (4424, 357480), (4634, 341280), (4740, 333648), (4965, 318528), (4977, 317760), (5040, 313788), (5056, 312795), (5296, 298620), (5530, 285984), (5688, 278040), (5958, 265440), (6048, 261490), (6320, 250236), (6620, 238896), (6636, 238320), (6720, 235341), (6951, 227520), (7110, 222432), (7560, 209192), (7584, 208530), (7944, 199080), (8295, 190656), (8532, 185360), (8640, 183043), (8848, 178740), (8937, 176960), (9268, 170640), (9480, 166824), (9930, 159264), (9954, 158880), (10080, 156894), (10592, 149310), (10665, 148288), (11060, 142992), (11376, 139020), (11585, 136512), (11916, 132720), (12096, 130745), (12640, 125118), (13240, 119448), (13272, 119160), (13902, 113760), (14220, 111216), (14895, 106176), (14931, 105920), (15120, 104596), (15168, 104265), (15888, 99540), (16590, 95328), (17064, 92680), (17696, 89370), (17874, 88480), (18536, 85320), (18960, 83412), (19860, 79632), (19908, 79440), (20160, 78447), (20853, 75840), (21184, 74655), (21330, 74144), (22120, 71496), (22752, 69510), (23170, 68256), (23832, 66360), (24885, 63552), (25280, 62559), (26149, 60480), (26480, 59724), (26544, 59580), (27804, 56880), (28440, 55608), (29790, 53088), (29862, 52960), (30240, 52298), (31776, 49770), (33180, 47664), (34128, 46340), (34755, 45504), (35392, 44685), (35748, 44240), (37072, 42660), (37920, 41706), (39720, 39816)]