1287365520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1374

約数の個数: 320

約数和(自身を含む): 4959682560

約数和(自身を除く): 3672317040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 105, 112, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 240, 248, 266, 280, 285, 304, 310, 336, 372, 380, 399, 420, 434, 456, 465, 496, 532, 560, 570, 589, 620, 651, 665, 744, 760, 798, 840, 868, 912, 930, 1064, 1085, 1140, 1178, 1240, 1301, 1302, 1330, 1488, 1520, 1596, 1680, 1736, 1767, 1860, 1995, 2128, 2170, 2280, 2356, 2480, 2602, 2604, 2660, 2945, 3192, 3255, 3472, 3534, 3720, 3903, 3990, 4123, 4340, 4560, 4712, 5204, 5208, 5320, 5890, 6384, 6505, 6510, 7068, 7440, 7806, 7980, 8246, 8680, 8835, 9107, 9424, 10408, 10416, 10640, 11780, 12369, 13010, 13020, 14136, 15612, 15960, 16492, 17360, 17670, 18214, 19515, 20615, 20816, 23560, 24719, 24738, 26020, 26040, 27321, 28272, 31224, 31920, 32984, 35340, 36428, 39030, 40331, 41230, 45535, 47120, 49438, 49476, 52040, 52080, 54642, 61845, 62448, 65968, 70680, 72856, 74157, 78060, 80662, 82460, 91070, 98876, 98952, 104080, 109284, 120993, 123595, 123690, 136605, 141360, 145712, 148314, 156120, 161324, 164920, 173033, 182140, 197752, 197904, 201655, 218568, 241986, 247190, 247380, 273210, 282317, 296628, 312240, 322648, 329840, 346066, 364280, 370785, 395504, 403310, 437136, 483972, 494380, 494760, 519099, 546420, 564634, 593256, 604965, 645296, 692132, 728560, 741570, 766289, 806620, 846951, 865165, 967944, 988760, 989520, 1038198, 1092840, 1129268, 1186512, 1209930, 1384264, 1411585, 1483140, 1532578, 1613240, 1693902, 1730330, 1935888, 1977520, 2076396, 2185680, 2258536, 2298867, 2419860, 2595495, 2768528, 2823170, 2966280, 3065156, 3226480, 3387804, 3460660, 3831445, 4152792, 4234755, 4517072, 4597734, 4839720, 5190990, 5364023, 5646340, 5932560, 6130312, 6775608, 6921320, 7662890, 8305584, 8469510, 9195468, 9679440, 10381980, 10728046, 11292680, 11494335, 12260624, 13551216, 13842640, 15325780, 16092069, 16939020, 18390936, 20763960, 21456092, 22585360, 22988670, 26820115, 30651560, 32184138, 33878040, 36781872, 41527920, 42912184, 45977340, 53640230, 61303120, 64368276, 67756080, 80460345, 85824368, 91954680, 107280460, 128736552, 160920690, 183909360, 214560920, 257473104, 321841380, 429121840, 643682760, 1287365520]

約数ペア:

[(1, 1287365520), (2, 643682760), (3, 429121840), (4, 321841380), (5, 257473104), (6, 214560920), (7, 183909360), (8, 160920690), (10, 128736552), (12, 107280460), (14, 91954680), (15, 85824368), (16, 80460345), (19, 67756080), (20, 64368276), (21, 61303120), (24, 53640230), (28, 45977340), (30, 42912184), (31, 41527920), (35, 36781872), (38, 33878040), (40, 32184138), (42, 30651560), (48, 26820115), (56, 22988670), (57, 22585360), (60, 21456092), (62, 20763960), (70, 18390936), (76, 16939020), (80, 16092069), (84, 15325780), (93, 13842640), (95, 13551216), (105, 12260624), (112, 11494335), (114, 11292680), (120, 10728046), (124, 10381980), (133, 9679440), (140, 9195468), (152, 8469510), (155, 8305584), (168, 7662890), (186, 6921320), (190, 6775608), (210, 6130312), (217, 5932560), (228, 5646340), (240, 5364023), (248, 5190990), (266, 4839720), (280, 4597734), (285, 4517072), (304, 4234755), (310, 4152792), (336, 3831445), (372, 3460660), (380, 3387804), (399, 3226480), (420, 3065156), (434, 2966280), (456, 2823170), (465, 2768528), (496, 2595495), (532, 2419860), (560, 2298867), (570, 2258536), (589, 2185680), (620, 2076396), (651, 1977520), (665, 1935888), (744, 1730330), (760, 1693902), (798, 1613240), (840, 1532578), (868, 1483140), (912, 1411585), (930, 1384264), (1064, 1209930), (1085, 1186512), (1140, 1129268), (1178, 1092840), (1240, 1038198), (1301, 989520), (1302, 988760), (1330, 967944), (1488, 865165), (1520, 846951), (1596, 806620), (1680, 766289), (1736, 741570), (1767, 728560), (1860, 692132), (1995, 645296), (2128, 604965), (2170, 593256), (2280, 564634), (2356, 546420), (2480, 519099), (2602, 494760), (2604, 494380), (2660, 483972), (2945, 437136), (3192, 403310), (3255, 395504), (3472, 370785), (3534, 364280), (3720, 346066), (3903, 329840), (3990, 322648), (4123, 312240), (4340, 296628), (4560, 282317), (4712, 273210), (5204, 247380), (5208, 247190), (5320, 241986), (5890, 218568), (6384, 201655), (6505, 197904), (6510, 197752), (7068, 182140), (7440, 173033), (7806, 164920), (7980, 161324), (8246, 156120), (8680, 148314), (8835, 145712), (9107, 141360), (9424, 136605), (10408, 123690), (10416, 123595), (10640, 120993), (11780, 109284), (12369, 104080), (13010, 98952), (13020, 98876), (14136, 91070), (15612, 82460), (15960, 80662), (16492, 78060), (17360, 74157), (17670, 72856), (18214, 70680), (19515, 65968), (20615, 62448), (20816, 61845), (23560, 54642), (24719, 52080), (24738, 52040), (26020, 49476), (26040, 49438), (27321, 47120), (28272, 45535), (31224, 41230), (31920, 40331), (32984, 39030), (35340, 36428)]