1279761840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8248

約数の個数: 240

約数和(自身を含む): 5070913536

約数和(自身を除く): 3791151696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8191, 8680, 9765, 10416, 11160, 13020, 15624, 16382, 17360, 19530, 22320, 24573, 26040, 31248, 32764, 39060, 40955, 49146, 52080, 57337, 65528, 73719, 78120, 81910, 98292, 114674, 122865, 131056, 147438, 156240, 163820, 172011, 196584, 229348, 245730, 253921, 286685, 294876, 327640, 344022, 368595, 393168, 458696, 491460, 507842, 516033, 573370, 589752, 655280, 688044, 737190, 761763, 860055, 917392, 982920, 1015684, 1032066, 1146740, 1179504, 1269605, 1376088, 1474380, 1523526, 1720110, 1777447, 1965840, 2031368, 2064132, 2285289, 2293480, 2539210, 2580165, 2752176, 2948760, 3047052, 3440220, 3554894, 3808815, 4062736, 4128264, 4570578, 4586960, 5078420, 5160330, 5332341, 5897520, 6094104, 6880440, 7109788, 7617630, 8256528, 8887235, 9141156, 10156840, 10320660, 10664682, 11426445, 12188208, 13760880, 14219576, 15235260, 15997023, 17774470, 18282312, 20313680, 20641320, 21329364, 22852890, 26661705, 28439152, 30470520, 31994046, 35548940, 36564624, 41282640, 42658728, 45705780, 53323410, 60941040, 63988092, 71097880, 79985115, 85317456, 91411560, 106646820, 127976184, 142195760, 159970230, 182823120, 213293640, 255952368, 319940460, 426587280, 639880920, 1279761840]

約数ペア:

[(1, 1279761840), (2, 639880920), (3, 426587280), (4, 319940460), (5, 255952368), (6, 213293640), (7, 182823120), (8, 159970230), (9, 142195760), (10, 127976184), (12, 106646820), (14, 91411560), (15, 85317456), (16, 79985115), (18, 71097880), (20, 63988092), (21, 60941040), (24, 53323410), (28, 45705780), (30, 42658728), (31, 41282640), (35, 36564624), (36, 35548940), (40, 31994046), (42, 30470520), (45, 28439152), (48, 26661705), (56, 22852890), (60, 21329364), (62, 20641320), (63, 20313680), (70, 18282312), (72, 17774470), (80, 15997023), (84, 15235260), (90, 14219576), (93, 13760880), (105, 12188208), (112, 11426445), (120, 10664682), (124, 10320660), (126, 10156840), (140, 9141156), (144, 8887235), (155, 8256528), (168, 7617630), (180, 7109788), (186, 6880440), (210, 6094104), (217, 5897520), (240, 5332341), (248, 5160330), (252, 5078420), (279, 4586960), (280, 4570578), (310, 4128264), (315, 4062736), (336, 3808815), (360, 3554894), (372, 3440220), (420, 3047052), (434, 2948760), (465, 2752176), (496, 2580165), (504, 2539210), (558, 2293480), (560, 2285289), (620, 2064132), (630, 2031368), (651, 1965840), (720, 1777447), (744, 1720110), (840, 1523526), (868, 1474380), (930, 1376088), (1008, 1269605), (1085, 1179504), (1116, 1146740), (1240, 1032066), (1260, 1015684), (1302, 982920), (1395, 917392), (1488, 860055), (1680, 761763), (1736, 737190), (1860, 688044), (1953, 655280), (2170, 589752), (2232, 573370), (2480, 516033), (2520, 507842), (2604, 491460), (2790, 458696), (3255, 393168), (3472, 368595), (3720, 344022), (3906, 327640), (4340, 294876), (4464, 286685), (5040, 253921), (5208, 245730), (5580, 229348), (6510, 196584), (7440, 172011), (7812, 163820), (8191, 156240), (8680, 147438), (9765, 131056), (10416, 122865), (11160, 114674), (13020, 98292), (15624, 81910), (16382, 78120), (17360, 73719), (19530, 65528), (22320, 57337), (24573, 52080), (26040, 49146), (31248, 40955), (32764, 39060)]