395667720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 256

約数和(自身を含む): 1520640000

約数和(自身を除く): 1124972280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 199, 210, 216, 252, 263, 270, 280, 315, 360, 378, 398, 420, 504, 526, 540, 597, 630, 756, 789, 796, 840, 945, 995, 1052, 1080, 1194, 1260, 1315, 1393, 1512, 1578, 1592, 1791, 1841, 1890, 1990, 2104, 2367, 2388, 2520, 2630, 2786, 2985, 3156, 3582, 3682, 3780, 3945, 3980, 4179, 4734, 4776, 5260, 5373, 5523, 5572, 5970, 6312, 6965, 7101, 7164, 7364, 7560, 7890, 7960, 8358, 8955, 9205, 9468, 10520, 10746, 11046, 11144, 11835, 11940, 12537, 13930, 14202, 14328, 14728, 15780, 16569, 16716, 17910, 18410, 18936, 20895, 21492, 22092, 23670, 23880, 25074, 26865, 27615, 27860, 28404, 31560, 33138, 33432, 35505, 35820, 36820, 37611, 41790, 42984, 44184, 47340, 49707, 50148, 52337, 53730, 55230, 55720, 56808, 62685, 66276, 71010, 71640, 73640, 75222, 82845, 83580, 94680, 99414, 100296, 104674, 107460, 110460, 125370, 132552, 142020, 150444, 157011, 165690, 167160, 188055, 198828, 209348, 214920, 220920, 248535, 250740, 261685, 284040, 300888, 314022, 331380, 366359, 376110, 397656, 418696, 471033, 497070, 501480, 523370, 628044, 662760, 732718, 752220, 785055, 942066, 994140, 1046740, 1099077, 1256088, 1413099, 1465436, 1504440, 1570110, 1831795, 1884132, 1988280, 2093480, 2198154, 2355165, 2826198, 2930872, 3140220, 3297231, 3663590, 3768264, 4396308, 4710330, 5495385, 5652396, 6280440, 6594462, 7065495, 7327180, 8792616, 9420660, 9891693, 10990770, 11304792, 13188924, 14130990, 14654360, 16486155, 18841320, 19783386, 21981540, 26377848, 28261980, 32972310, 39566772, 43963080, 49458465, 56523960, 65944620, 79133544, 98916930, 131889240, 197833860, 395667720]

約数ペア:

[(1, 395667720), (2, 197833860), (3, 131889240), (4, 98916930), (5, 79133544), (6, 65944620), (7, 56523960), (8, 49458465), (9, 43963080), (10, 39566772), (12, 32972310), (14, 28261980), (15, 26377848), (18, 21981540), (20, 19783386), (21, 18841320), (24, 16486155), (27, 14654360), (28, 14130990), (30, 13188924), (35, 11304792), (36, 10990770), (40, 9891693), (42, 9420660), (45, 8792616), (54, 7327180), (56, 7065495), (60, 6594462), (63, 6280440), (70, 5652396), (72, 5495385), (84, 4710330), (90, 4396308), (105, 3768264), (108, 3663590), (120, 3297231), (126, 3140220), (135, 2930872), (140, 2826198), (168, 2355165), (180, 2198154), (189, 2093480), (199, 1988280), (210, 1884132), (216, 1831795), (252, 1570110), (263, 1504440), (270, 1465436), (280, 1413099), (315, 1256088), (360, 1099077), (378, 1046740), (398, 994140), (420, 942066), (504, 785055), (526, 752220), (540, 732718), (597, 662760), (630, 628044), (756, 523370), (789, 501480), (796, 497070), (840, 471033), (945, 418696), (995, 397656), (1052, 376110), (1080, 366359), (1194, 331380), (1260, 314022), (1315, 300888), (1393, 284040), (1512, 261685), (1578, 250740), (1592, 248535), (1791, 220920), (1841, 214920), (1890, 209348), (1990, 198828), (2104, 188055), (2367, 167160), (2388, 165690), (2520, 157011), (2630, 150444), (2786, 142020), (2985, 132552), (3156, 125370), (3582, 110460), (3682, 107460), (3780, 104674), (3945, 100296), (3980, 99414), (4179, 94680), (4734, 83580), (4776, 82845), (5260, 75222), (5373, 73640), (5523, 71640), (5572, 71010), (5970, 66276), (6312, 62685), (6965, 56808), (7101, 55720), (7164, 55230), (7364, 53730), (7560, 52337), (7890, 50148), (7960, 49707), (8358, 47340), (8955, 44184), (9205, 42984), (9468, 41790), (10520, 37611), (10746, 36820), (11046, 35820), (11144, 35505), (11835, 33432), (11940, 33138), (12537, 31560), (13930, 28404), (14202, 27860), (14328, 27615), (14728, 26865), (15780, 25074), (16569, 23880), (16716, 23670), (17910, 22092), (18410, 21492), (18936, 20895)]