642285280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1489

約数の個数: 192

約数和(自身を含む): 1929166848

約数和(自身を除く): 1286881568

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 992, 1040, 1085, 1120, 1240, 1423, 1456, 1612, 1736, 1820, 2015, 2080, 2170, 2480, 2821, 2846, 2912, 3224, 3472, 3640, 4030, 4340, 4960, 5642, 5692, 6448, 6944, 7115, 7280, 8060, 8680, 9961, 11284, 11384, 12896, 14105, 14230, 14560, 16120, 17360, 18499, 19922, 22568, 22768, 28210, 28460, 32240, 34720, 36998, 39844, 44113, 45136, 45536, 49805, 56420, 56920, 64480, 73996, 79688, 88226, 90272, 92495, 99610, 112840, 113840, 129493, 147992, 159376, 176452, 184990, 199220, 220565, 225680, 227680, 258986, 295984, 308791, 318752, 352904, 369980, 398440, 441130, 451360, 517972, 573469, 591968, 617582, 647465, 705808, 739960, 796880, 882260, 1035944, 1146938, 1235164, 1294930, 1411616, 1479920, 1543955, 1593760, 1764520, 2071888, 2293876, 2470328, 2589860, 2867345, 2959840, 3087910, 3529040, 4014283, 4143776, 4587752, 4940656, 5179720, 5734690, 6175820, 7058080, 8028566, 9175504, 9881312, 10359440, 11469380, 12351640, 16057132, 18351008, 20071415, 20718880, 22938760, 24703280, 32114264, 40142830, 45877520, 49406560, 64228528, 80285660, 91755040, 128457056, 160571320, 321142640, 642285280]

約数ペア:

[(1, 642285280), (2, 321142640), (4, 160571320), (5, 128457056), (7, 91755040), (8, 80285660), (10, 64228528), (13, 49406560), (14, 45877520), (16, 40142830), (20, 32114264), (26, 24703280), (28, 22938760), (31, 20718880), (32, 20071415), (35, 18351008), (40, 16057132), (52, 12351640), (56, 11469380), (62, 10359440), (65, 9881312), (70, 9175504), (80, 8028566), (91, 7058080), (104, 6175820), (112, 5734690), (124, 5179720), (130, 4940656), (140, 4587752), (155, 4143776), (160, 4014283), (182, 3529040), (208, 3087910), (217, 2959840), (224, 2867345), (248, 2589860), (260, 2470328), (280, 2293876), (310, 2071888), (364, 1764520), (403, 1593760), (416, 1543955), (434, 1479920), (455, 1411616), (496, 1294930), (520, 1235164), (560, 1146938), (620, 1035944), (728, 882260), (806, 796880), (868, 739960), (910, 705808), (992, 647465), (1040, 617582), (1085, 591968), (1120, 573469), (1240, 517972), (1423, 451360), (1456, 441130), (1612, 398440), (1736, 369980), (1820, 352904), (2015, 318752), (2080, 308791), (2170, 295984), (2480, 258986), (2821, 227680), (2846, 225680), (2912, 220565), (3224, 199220), (3472, 184990), (3640, 176452), (4030, 159376), (4340, 147992), (4960, 129493), (5642, 113840), (5692, 112840), (6448, 99610), (6944, 92495), (7115, 90272), (7280, 88226), (8060, 79688), (8680, 73996), (9961, 64480), (11284, 56920), (11384, 56420), (12896, 49805), (14105, 45536), (14230, 45136), (14560, 44113), (16120, 39844), (17360, 36998), (18499, 34720), (19922, 32240), (22568, 28460), (22768, 28210)]