1991531360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:390

約数の個数: 384

約数和(自身を含む): 6380881920

約数和(自身を除く): 4389350560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 23, 26, 28, 32, 35, 38, 40, 46, 52, 56, 65, 70, 76, 80, 91, 92, 95, 104, 112, 115, 130, 133, 140, 152, 160, 161, 182, 184, 190, 208, 224, 230, 247, 260, 266, 280, 299, 304, 313, 322, 364, 368, 380, 416, 437, 455, 460, 494, 520, 532, 560, 598, 608, 626, 644, 665, 728, 736, 760, 805, 874, 910, 920, 988, 1040, 1064, 1120, 1196, 1235, 1252, 1288, 1330, 1456, 1495, 1520, 1565, 1610, 1729, 1748, 1820, 1840, 1976, 2080, 2093, 2128, 2185, 2191, 2392, 2470, 2504, 2576, 2660, 2912, 2990, 3040, 3059, 3130, 3220, 3458, 3496, 3640, 3680, 3952, 4069, 4186, 4256, 4370, 4382, 4784, 4940, 5008, 5152, 5320, 5681, 5947, 5980, 6118, 6260, 6440, 6916, 6992, 7199, 7280, 7904, 8138, 8372, 8645, 8740, 8764, 9568, 9880, 10016, 10465, 10640, 10955, 11362, 11894, 11960, 12236, 12520, 12880, 13832, 13984, 14398, 14560, 15295, 16276, 16744, 17290, 17480, 17528, 19760, 20345, 20930, 21280, 21910, 22724, 23788, 23920, 24472, 25040, 25760, 27664, 28405, 28483, 28796, 29735, 30590, 32552, 33488, 34580, 34960, 35056, 35995, 39520, 39767, 40690, 41629, 41860, 43820, 45448, 47576, 47840, 48944, 50080, 50393, 55328, 56810, 56966, 57592, 59470, 61180, 65104, 66976, 69160, 69920, 70112, 71990, 77311, 79534, 81380, 83258, 83720, 87640, 90896, 93587, 95152, 97888, 100786, 113620, 113932, 115184, 118940, 122360, 130208, 136781, 138320, 142415, 143980, 154622, 159068, 162760, 166516, 167440, 175280, 181792, 187174, 190304, 198835, 201572, 208145, 227240, 227864, 230368, 237880, 244720, 251965, 273562, 276640, 284830, 287960, 309244, 318136, 325520, 333032, 334880, 350560, 374348, 386555, 397670, 403144, 416290, 454480, 455728, 467935, 475760, 489440, 503930, 541177, 547124, 569660, 575920, 618488, 636272, 651040, 655109, 666064, 683905, 748696, 773110, 795340, 806288, 832580, 908960, 911456, 935870, 951520, 957467, 1007860, 1082354, 1094248, 1139320, 1151840, 1236976, 1272544, 1310218, 1332128, 1367810, 1497392, 1546220, 1590680, 1612576, 1665160, 1778153, 1871740, 1914934, 2015720, 2164708, 2188496, 2278640, 2473952, 2620436, 2705885, 2735620, 2994784, 3092440, 3181360, 3275545, 3330320, 3556306, 3743480, 3829868, 4031440, 4329416, 4376992, 4557280, 4787335, 5240872, 5411770, 5471240, 6184880, 6362720, 6551090, 6660640, 7112612, 7486960, 7659736, 8062880, 8658832, 8890765, 9574670, 10481744, 10823540, 10942480, 12369760, 12447071, 13102180, 14225224, 14973920, 15319472, 17317664, 17781530, 19149340, 20963488, 21647080, 21884960, 24894142, 26204360, 28450448, 30638944, 35563060, 38298680, 43294160, 49788284, 52408720, 56900896, 62235355, 71126120, 76597360, 86588320, 99576568, 104817440, 124470710, 142252240, 153194720, 199153136, 248941420, 284504480, 398306272, 497882840, 995765680, 1991531360]

約数ペア:

[(1, 1991531360), (2, 995765680), (4, 497882840), (5, 398306272), (7, 284504480), (8, 248941420), (10, 199153136), (13, 153194720), (14, 142252240), (16, 124470710), (19, 104817440), (20, 99576568), (23, 86588320), (26, 76597360), (28, 71126120), (32, 62235355), (35, 56900896), (38, 52408720), (40, 49788284), (46, 43294160), (52, 38298680), (56, 35563060), (65, 30638944), (70, 28450448), (76, 26204360), (80, 24894142), (91, 21884960), (92, 21647080), (95, 20963488), (104, 19149340), (112, 17781530), (115, 17317664), (130, 15319472), (133, 14973920), (140, 14225224), (152, 13102180), (160, 12447071), (161, 12369760), (182, 10942480), (184, 10823540), (190, 10481744), (208, 9574670), (224, 8890765), (230, 8658832), (247, 8062880), (260, 7659736), (266, 7486960), (280, 7112612), (299, 6660640), (304, 6551090), (313, 6362720), (322, 6184880), (364, 5471240), (368, 5411770), (380, 5240872), (416, 4787335), (437, 4557280), (455, 4376992), (460, 4329416), (494, 4031440), (520, 3829868), (532, 3743480), (560, 3556306), (598, 3330320), (608, 3275545), (626, 3181360), (644, 3092440), (665, 2994784), (728, 2735620), (736, 2705885), (760, 2620436), (805, 2473952), (874, 2278640), (910, 2188496), (920, 2164708), (988, 2015720), (1040, 1914934), (1064, 1871740), (1120, 1778153), (1196, 1665160), (1235, 1612576), (1252, 1590680), (1288, 1546220), (1330, 1497392), (1456, 1367810), (1495, 1332128), (1520, 1310218), (1565, 1272544), (1610, 1236976), (1729, 1151840), (1748, 1139320), (1820, 1094248), (1840, 1082354), (1976, 1007860), (2080, 957467), (2093, 951520), (2128, 935870), (2185, 911456), (2191, 908960), (2392, 832580), (2470, 806288), (2504, 795340), (2576, 773110), (2660, 748696), (2912, 683905), (2990, 666064), (3040, 655109), (3059, 651040), (3130, 636272), (3220, 618488), (3458, 575920), (3496, 569660), (3640, 547124), (3680, 541177), (3952, 503930), (4069, 489440), (4186, 475760), (4256, 467935), (4370, 455728), (4382, 454480), (4784, 416290), (4940, 403144), (5008, 397670), (5152, 386555), (5320, 374348), (5681, 350560), (5947, 334880), (5980, 333032), (6118, 325520), (6260, 318136), (6440, 309244), (6916, 287960), (6992, 284830), (7199, 276640), (7280, 273562), (7904, 251965), (8138, 244720), (8372, 237880), (8645, 230368), (8740, 227864), (8764, 227240), (9568, 208145), (9880, 201572), (10016, 198835), (10465, 190304), (10640, 187174), (10955, 181792), (11362, 175280), (11894, 167440), (11960, 166516), (12236, 162760), (12520, 159068), (12880, 154622), (13832, 143980), (13984, 142415), (14398, 138320), (14560, 136781), (15295, 130208), (16276, 122360), (16744, 118940), (17290, 115184), (17480, 113932), (17528, 113620), (19760, 100786), (20345, 97888), (20930, 95152), (21280, 93587), (21910, 90896), (22724, 87640), (23788, 83720), (23920, 83258), (24472, 81380), (25040, 79534), (25760, 77311), (27664, 71990), (28405, 70112), (28483, 69920), (28796, 69160), (29735, 66976), (30590, 65104), (32552, 61180), (33488, 59470), (34580, 57592), (34960, 56966), (35056, 56810), (35995, 55328), (39520, 50393), (39767, 50080), (40690, 48944), (41629, 47840), (41860, 47576), (43820, 45448)]