256103400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 288

約数和(自身を含む): 956724480

約数和(自身を除く): 700621080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 49, 50, 56, 60, 62, 70, 75, 84, 93, 98, 100, 105, 120, 124, 140, 147, 150, 155, 168, 175, 186, 196, 200, 210, 217, 245, 248, 280, 281, 294, 300, 310, 350, 372, 392, 420, 434, 465, 490, 525, 562, 588, 600, 620, 651, 700, 735, 744, 775, 840, 843, 868, 930, 980, 1050, 1085, 1124, 1176, 1225, 1240, 1302, 1400, 1405, 1470, 1519, 1550, 1686, 1736, 1860, 1960, 1967, 2100, 2170, 2248, 2325, 2450, 2604, 2810, 2940, 3038, 3100, 3255, 3372, 3675, 3720, 3934, 4200, 4215, 4340, 4557, 4650, 4900, 5208, 5425, 5620, 5880, 5901, 6076, 6200, 6510, 6744, 7025, 7350, 7595, 7868, 8430, 8680, 8711, 9114, 9300, 9800, 9835, 10850, 11240, 11802, 12152, 13020, 13769, 14050, 14700, 15190, 15736, 16275, 16860, 17422, 18228, 18600, 19670, 21075, 21700, 22785, 23604, 26040, 26133, 27538, 28100, 29400, 29505, 30380, 32550, 33720, 34844, 36456, 37975, 39340, 41307, 42150, 43400, 43555, 45570, 47208, 49175, 52266, 55076, 56200, 59010, 60760, 60977, 65100, 68845, 69688, 75950, 78680, 82614, 84300, 87110, 91140, 98350, 104532, 110152, 113925, 118020, 121954, 130200, 130665, 137690, 147525, 151900, 165228, 168600, 174220, 182280, 182931, 196700, 206535, 209064, 217775, 227850, 236040, 243908, 261330, 275380, 295050, 303800, 304885, 330456, 344225, 348440, 365862, 393400, 413070, 426839, 435550, 455700, 487816, 522660, 550760, 590100, 609770, 653325, 688450, 731724, 826140, 853678, 871100, 911400, 914655, 1032675, 1045320, 1180200, 1219540, 1280517, 1306650, 1376900, 1463448, 1524425, 1652280, 1707356, 1742200, 1829310, 2065350, 2134195, 2439080, 2561034, 2613300, 2753800, 3048850, 3414712, 3658620, 4130700, 4268390, 4573275, 5122068, 5226600, 6097700, 6402585, 7317240, 8261400, 8536780, 9146550, 10244136, 10670975, 12195400, 12805170, 17073560, 18293100, 21341950, 25610340, 32012925, 36586200, 42683900, 51220680, 64025850, 85367800, 128051700, 256103400]

約数ペア:

[(1, 256103400), (2, 128051700), (3, 85367800), (4, 64025850), (5, 51220680), (6, 42683900), (7, 36586200), (8, 32012925), (10, 25610340), (12, 21341950), (14, 18293100), (15, 17073560), (20, 12805170), (21, 12195400), (24, 10670975), (25, 10244136), (28, 9146550), (30, 8536780), (31, 8261400), (35, 7317240), (40, 6402585), (42, 6097700), (49, 5226600), (50, 5122068), (56, 4573275), (60, 4268390), (62, 4130700), (70, 3658620), (75, 3414712), (84, 3048850), (93, 2753800), (98, 2613300), (100, 2561034), (105, 2439080), (120, 2134195), (124, 2065350), (140, 1829310), (147, 1742200), (150, 1707356), (155, 1652280), (168, 1524425), (175, 1463448), (186, 1376900), (196, 1306650), (200, 1280517), (210, 1219540), (217, 1180200), (245, 1045320), (248, 1032675), (280, 914655), (281, 911400), (294, 871100), (300, 853678), (310, 826140), (350, 731724), (372, 688450), (392, 653325), (420, 609770), (434, 590100), (465, 550760), (490, 522660), (525, 487816), (562, 455700), (588, 435550), (600, 426839), (620, 413070), (651, 393400), (700, 365862), (735, 348440), (744, 344225), (775, 330456), (840, 304885), (843, 303800), (868, 295050), (930, 275380), (980, 261330), (1050, 243908), (1085, 236040), (1124, 227850), (1176, 217775), (1225, 209064), (1240, 206535), (1302, 196700), (1400, 182931), (1405, 182280), (1470, 174220), (1519, 168600), (1550, 165228), (1686, 151900), (1736, 147525), (1860, 137690), (1960, 130665), (1967, 130200), (2100, 121954), (2170, 118020), (2248, 113925), (2325, 110152), (2450, 104532), (2604, 98350), (2810, 91140), (2940, 87110), (3038, 84300), (3100, 82614), (3255, 78680), (3372, 75950), (3675, 69688), (3720, 68845), (3934, 65100), (4200, 60977), (4215, 60760), (4340, 59010), (4557, 56200), (4650, 55076), (4900, 52266), (5208, 49175), (5425, 47208), (5620, 45570), (5880, 43555), (5901, 43400), (6076, 42150), (6200, 41307), (6510, 39340), (6744, 37975), (7025, 36456), (7350, 34844), (7595, 33720), (7868, 32550), (8430, 30380), (8680, 29505), (8711, 29400), (9114, 28100), (9300, 27538), (9800, 26133), (9835, 26040), (10850, 23604), (11240, 22785), (11802, 21700), (12152, 21075), (13020, 19670), (13769, 18600), (14050, 18228), (14700, 17422), (15190, 16860), (15736, 16275)]