681258480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 320

約数和(自身を含む): 2535456768

約数和(自身を除く): 1854198288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 103, 105, 112, 120, 124, 127, 140, 155, 168, 186, 206, 210, 217, 240, 248, 254, 280, 309, 310, 336, 372, 381, 412, 420, 434, 465, 496, 508, 515, 560, 618, 620, 635, 651, 721, 744, 762, 824, 840, 868, 889, 930, 1016, 1030, 1085, 1236, 1240, 1270, 1302, 1442, 1488, 1524, 1545, 1648, 1680, 1736, 1778, 1860, 1905, 2032, 2060, 2163, 2170, 2472, 2480, 2540, 2604, 2667, 2884, 3048, 3090, 3193, 3255, 3472, 3556, 3605, 3720, 3810, 3937, 4120, 4326, 4340, 4445, 4944, 5080, 5208, 5334, 5768, 6096, 6180, 6386, 6510, 7112, 7210, 7440, 7620, 7874, 8240, 8652, 8680, 8890, 9579, 10160, 10416, 10668, 10815, 11536, 11811, 12360, 12772, 13020, 13081, 13335, 14224, 14420, 15240, 15748, 15965, 17304, 17360, 17780, 19158, 19685, 21336, 21630, 22351, 23622, 24720, 25544, 26040, 26162, 26670, 27559, 28840, 30480, 31496, 31930, 34608, 35560, 38316, 39243, 39370, 42672, 43260, 44702, 47244, 47895, 51088, 52080, 52324, 53340, 55118, 57680, 59055, 62992, 63860, 65405, 67053, 71120, 76632, 78486, 78740, 82677, 86520, 89404, 91567, 94488, 95790, 104648, 106680, 110236, 111755, 118110, 127720, 130810, 134106, 137795, 153264, 156972, 157480, 165354, 173040, 178808, 183134, 188976, 191580, 196215, 209296, 213360, 220472, 223510, 236220, 255440, 261620, 268212, 274701, 275590, 313944, 314960, 330708, 335265, 357616, 366268, 383160, 392430, 405511, 413385, 440944, 447020, 457835, 472440, 523240, 536424, 549402, 551180, 627888, 661416, 670530, 732536, 766320, 784860, 811022, 826770, 894040, 915670, 944880, 1046480, 1072848, 1098804, 1102360, 1216533, 1322832, 1341060, 1373505, 1465072, 1569720, 1622044, 1653540, 1788080, 1831340, 2027555, 2197608, 2204720, 2433066, 2682120, 2747010, 2838577, 3139440, 3244088, 3307080, 3662680, 4055110, 4395216, 4866132, 5364240, 5494020, 5677154, 6082665, 6488176, 6614160, 7325360, 8110220, 8515731, 9732264, 10988040, 11354308, 12165330, 14192885, 16220440, 17031462, 19464528, 21976080, 22708616, 24330660, 28385770, 32440880, 34062924, 42578655, 45417232, 48661320, 56771540, 68125848, 85157310, 97322640, 113543080, 136251696, 170314620, 227086160, 340629240, 681258480]

約数ペア:

[(1, 681258480), (2, 340629240), (3, 227086160), (4, 170314620), (5, 136251696), (6, 113543080), (7, 97322640), (8, 85157310), (10, 68125848), (12, 56771540), (14, 48661320), (15, 45417232), (16, 42578655), (20, 34062924), (21, 32440880), (24, 28385770), (28, 24330660), (30, 22708616), (31, 21976080), (35, 19464528), (40, 17031462), (42, 16220440), (48, 14192885), (56, 12165330), (60, 11354308), (62, 10988040), (70, 9732264), (80, 8515731), (84, 8110220), (93, 7325360), (103, 6614160), (105, 6488176), (112, 6082665), (120, 5677154), (124, 5494020), (127, 5364240), (140, 4866132), (155, 4395216), (168, 4055110), (186, 3662680), (206, 3307080), (210, 3244088), (217, 3139440), (240, 2838577), (248, 2747010), (254, 2682120), (280, 2433066), (309, 2204720), (310, 2197608), (336, 2027555), (372, 1831340), (381, 1788080), (412, 1653540), (420, 1622044), (434, 1569720), (465, 1465072), (496, 1373505), (508, 1341060), (515, 1322832), (560, 1216533), (618, 1102360), (620, 1098804), (635, 1072848), (651, 1046480), (721, 944880), (744, 915670), (762, 894040), (824, 826770), (840, 811022), (868, 784860), (889, 766320), (930, 732536), (1016, 670530), (1030, 661416), (1085, 627888), (1236, 551180), (1240, 549402), (1270, 536424), (1302, 523240), (1442, 472440), (1488, 457835), (1524, 447020), (1545, 440944), (1648, 413385), (1680, 405511), (1736, 392430), (1778, 383160), (1860, 366268), (1905, 357616), (2032, 335265), (2060, 330708), (2163, 314960), (2170, 313944), (2472, 275590), (2480, 274701), (2540, 268212), (2604, 261620), (2667, 255440), (2884, 236220), (3048, 223510), (3090, 220472), (3193, 213360), (3255, 209296), (3472, 196215), (3556, 191580), (3605, 188976), (3720, 183134), (3810, 178808), (3937, 173040), (4120, 165354), (4326, 157480), (4340, 156972), (4445, 153264), (4944, 137795), (5080, 134106), (5208, 130810), (5334, 127720), (5768, 118110), (6096, 111755), (6180, 110236), (6386, 106680), (6510, 104648), (7112, 95790), (7210, 94488), (7440, 91567), (7620, 89404), (7874, 86520), (8240, 82677), (8652, 78740), (8680, 78486), (8890, 76632), (9579, 71120), (10160, 67053), (10416, 65405), (10668, 63860), (10815, 62992), (11536, 59055), (11811, 57680), (12360, 55118), (12772, 53340), (13020, 52324), (13081, 52080), (13335, 51088), (14224, 47895), (14420, 47244), (15240, 44702), (15748, 43260), (15965, 42672), (17304, 39370), (17360, 39243), (17780, 38316), (19158, 35560), (19685, 34608), (21336, 31930), (21630, 31496), (22351, 30480), (23622, 28840), (24720, 27559), (25544, 26670), (26040, 26162)]