1640208960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1$

素因数の和:915

約数の個数: 448

約数和(自身を含む): 6605625600

約数和(自身を除く): 4965416640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 160, 170, 180, 192, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 288, 306, 312, 320, 340, 351, 360, 390, 408, 416, 432, 442, 459, 468, 480, 510, 520, 540, 544, 576, 585, 612, 624, 663, 680, 702, 720, 765, 780, 816, 832, 859, 864, 884, 918, 936, 960, 1020, 1040, 1080, 1088, 1105, 1170, 1224, 1248, 1326, 1360, 1404, 1440, 1530, 1560, 1632, 1718, 1728, 1755, 1768, 1836, 1872, 1989, 2040, 2080, 2160, 2210, 2295, 2340, 2448, 2496, 2577, 2652, 2720, 2808, 2880, 3060, 3120, 3264, 3315, 3436, 3510, 3536, 3672, 3744, 3978, 4080, 4160, 4295, 4320, 4420, 4590, 4680, 4896, 5154, 5304, 5440, 5616, 5967, 6120, 6240, 6630, 6872, 7020, 7072, 7344, 7488, 7731, 7956, 8160, 8590, 8640, 8840, 9180, 9360, 9792, 9945, 10308, 10608, 11167, 11232, 11934, 12240, 12480, 12885, 13260, 13744, 14040, 14144, 14603, 14688, 15462, 15912, 16320, 17180, 17680, 18360, 18720, 19890, 20616, 21216, 22334, 22464, 23193, 23868, 24480, 25770, 26520, 27488, 28080, 29206, 29376, 29835, 30924, 31824, 33501, 34360, 35360, 36720, 37440, 38655, 39780, 41232, 42432, 43809, 44668, 46386, 47736, 48960, 51540, 53040, 54976, 55835, 56160, 58412, 59670, 61848, 63648, 67002, 68720, 70720, 73015, 73440, 77310, 79560, 82464, 87618, 89336, 92772, 95472, 100503, 103080, 106080, 111670, 112320, 115965, 116824, 119340, 123696, 127296, 131427, 134004, 137440, 146030, 146880, 154620, 159120, 164928, 167505, 175236, 178672, 185544, 189839, 190944, 201006, 206160, 212160, 219045, 223340, 231930, 233648, 238680, 247392, 262854, 268008, 274880, 292060, 301509, 309240, 318240, 335010, 350472, 357344, 371088, 379678, 381888, 394281, 402012, 412320, 438090, 446680, 463860, 467296, 477360, 494784, 502515, 525708, 536016, 569517, 584120, 603018, 618480, 636480, 657135, 670020, 700944, 714688, 742176, 759356, 788562, 804024, 824640, 876180, 893360, 927720, 934592, 949195, 954720, 1005030, 1051416, 1072032, 1139034, 1168240, 1206036, 1236960, 1314270, 1340040, 1401888, 1484352, 1507545, 1518712, 1577124, 1608048, 1708551, 1752360, 1786720, 1855440, 1898390, 1909440, 1971405, 2010060, 2102832, 2144064, 2278068, 2336480, 2412072, 2473920, 2628540, 2680080, 2803776, 2847585, 3015090, 3037424, 3154248, 3216096, 3417102, 3504720, 3573440, 3710880, 3796780, 3942810, 4020120, 4205664, 4556136, 4672960, 4824144, 5125653, 5257080, 5360160, 5695170, 6030180, 6074848, 6308496, 6432192, 6834204, 7009440, 7421760, 7593560, 7885620, 8040240, 8411328, 8542755, 9112272, 9648288, 10251306, 10514160, 10720320, 11390340, 12060360, 12149696, 12616992, 13668408, 14018880, 15187120, 15771240, 16080480, 17085510, 18224544, 19296576, 20502612, 21028320, 22780680, 24120720, 25233984, 25628265, 27336816, 30374240, 31542480, 32160960, 34171020, 36449088, 41005224, 42056640, 45561360, 48241440, 51256530, 54673632, 60748480, 63084960, 68342040, 82010448, 91122720, 96482880, 102513060, 109347264, 126169920, 136684080, 164020896, 182245440, 205026120, 273368160, 328041792, 410052240, 546736320, 820104480, 1640208960]

約数ペア:

[(1, 1640208960), (2, 820104480), (3, 546736320), (4, 410052240), (5, 328041792), (6, 273368160), (8, 205026120), (9, 182245440), (10, 164020896), (12, 136684080), (13, 126169920), (15, 109347264), (16, 102513060), (17, 96482880), (18, 91122720), (20, 82010448), (24, 68342040), (26, 63084960), (27, 60748480), (30, 54673632), (32, 51256530), (34, 48241440), (36, 45561360), (39, 42056640), (40, 41005224), (45, 36449088), (48, 34171020), (51, 32160960), (52, 31542480), (54, 30374240), (60, 27336816), (64, 25628265), (65, 25233984), (68, 24120720), (72, 22780680), (78, 21028320), (80, 20502612), (85, 19296576), (90, 18224544), (96, 17085510), (102, 16080480), (104, 15771240), (108, 15187120), (117, 14018880), (120, 13668408), (130, 12616992), (135, 12149696), (136, 12060360), (144, 11390340), (153, 10720320), (156, 10514160), (160, 10251306), (170, 9648288), (180, 9112272), (192, 8542755), (195, 8411328), (204, 8040240), (208, 7885620), (216, 7593560), (221, 7421760), (234, 7009440), (240, 6834204), (255, 6432192), (260, 6308496), (270, 6074848), (272, 6030180), (288, 5695170), (306, 5360160), (312, 5257080), (320, 5125653), (340, 4824144), (351, 4672960), (360, 4556136), (390, 4205664), (408, 4020120), (416, 3942810), (432, 3796780), (442, 3710880), (459, 3573440), (468, 3504720), (480, 3417102), (510, 3216096), (520, 3154248), (540, 3037424), (544, 3015090), (576, 2847585), (585, 2803776), (612, 2680080), (624, 2628540), (663, 2473920), (680, 2412072), (702, 2336480), (720, 2278068), (765, 2144064), (780, 2102832), (816, 2010060), (832, 1971405), (859, 1909440), (864, 1898390), (884, 1855440), (918, 1786720), (936, 1752360), (960, 1708551), (1020, 1608048), (1040, 1577124), (1080, 1518712), (1088, 1507545), (1105, 1484352), (1170, 1401888), (1224, 1340040), (1248, 1314270), (1326, 1236960), (1360, 1206036), (1404, 1168240), (1440, 1139034), (1530, 1072032), (1560, 1051416), (1632, 1005030), (1718, 954720), (1728, 949195), (1755, 934592), (1768, 927720), (1836, 893360), (1872, 876180), (1989, 824640), (2040, 804024), (2080, 788562), (2160, 759356), (2210, 742176), (2295, 714688), (2340, 700944), (2448, 670020), (2496, 657135), (2577, 636480), (2652, 618480), (2720, 603018), (2808, 584120), (2880, 569517), (3060, 536016), (3120, 525708), (3264, 502515), (3315, 494784), (3436, 477360), (3510, 467296), (3536, 463860), (3672, 446680), (3744, 438090), (3978, 412320), (4080, 402012), (4160, 394281), (4295, 381888), (4320, 379678), (4420, 371088), (4590, 357344), (4680, 350472), (4896, 335010), (5154, 318240), (5304, 309240), (5440, 301509), (5616, 292060), (5967, 274880), (6120, 268008), (6240, 262854), (6630, 247392), (6872, 238680), (7020, 233648), (7072, 231930), (7344, 223340), (7488, 219045), (7731, 212160), (7956, 206160), (8160, 201006), (8590, 190944), (8640, 189839), (8840, 185544), (9180, 178672), (9360, 175236), (9792, 167505), (9945, 164928), (10308, 159120), (10608, 154620), (11167, 146880), (11232, 146030), (11934, 137440), (12240, 134004), (12480, 131427), (12885, 127296), (13260, 123696), (13744, 119340), (14040, 116824), (14144, 115965), (14603, 112320), (14688, 111670), (15462, 106080), (15912, 103080), (16320, 100503), (17180, 95472), (17680, 92772), (18360, 89336), (18720, 87618), (19890, 82464), (20616, 79560), (21216, 77310), (22334, 73440), (22464, 73015), (23193, 70720), (23868, 68720), (24480, 67002), (25770, 63648), (26520, 61848), (27488, 59670), (28080, 58412), (29206, 56160), (29376, 55835), (29835, 54976), (30924, 53040), (31824, 51540), (33501, 48960), (34360, 47736), (35360, 46386), (36720, 44668), (37440, 43809), (38655, 42432), (39780, 41232)]