311222520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{5881}}^1$

素因数の和:5915

約数の個数: 192

約数和(自身を含む): 1206986400

約数和(自身を除く): 895763880

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, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 5881, 6615, 7560, 8820, 10584, 11762, 13230, 17640, 17643, 23524, 26460, 29405, 35286, 41167, 47048, 52920, 52929, 58810, 70572, 82334, 88215, 105858, 117620, 123501, 141144, 158787, 164668, 176430, 205835, 211716, 235240, 247002, 264645, 288169, 317574, 329336, 352860, 370503, 411670, 423432, 494004, 529290, 576338, 617505, 635148, 705720, 741006, 793935, 823340, 864507, 988008, 1058580, 1111509, 1152676, 1235010, 1270296, 1440845, 1482012, 1587870, 1646680, 1729014, 1852515, 2117160, 2223018, 2305352, 2470020, 2593521, 2881690, 2964024, 3175740, 3458028, 3705030, 4322535, 4446036, 4940040, 5187042, 5557545, 5763380, 6351480, 6916056, 7410060, 7780563, 8645070, 8892072, 10374084, 11115090, 11526760, 12967605, 14820120, 15561126, 17290140, 20748168, 22230180, 25935210, 31122252, 34580280, 38902815, 44460360, 51870420, 62244504, 77805630, 103740840, 155611260, 311222520]

約数ペア:

[(1, 311222520), (2, 155611260), (3, 103740840), (4, 77805630), (5, 62244504), (6, 51870420), (7, 44460360), (8, 38902815), (9, 34580280), (10, 31122252), (12, 25935210), (14, 22230180), (15, 20748168), (18, 17290140), (20, 15561126), (21, 14820120), (24, 12967605), (27, 11526760), (28, 11115090), (30, 10374084), (35, 8892072), (36, 8645070), (40, 7780563), (42, 7410060), (45, 6916056), (49, 6351480), (54, 5763380), (56, 5557545), (60, 5187042), (63, 4940040), (70, 4446036), (72, 4322535), (84, 3705030), (90, 3458028), (98, 3175740), (105, 2964024), (108, 2881690), (120, 2593521), (126, 2470020), (135, 2305352), (140, 2223018), (147, 2117160), (168, 1852515), (180, 1729014), (189, 1646680), (196, 1587870), (210, 1482012), (216, 1440845), (245, 1270296), (252, 1235010), (270, 1152676), (280, 1111509), (294, 1058580), (315, 988008), (360, 864507), (378, 823340), (392, 793935), (420, 741006), (441, 705720), (490, 635148), (504, 617505), (540, 576338), (588, 529290), (630, 494004), (735, 423432), (756, 411670), (840, 370503), (882, 352860), (945, 329336), (980, 317574), (1080, 288169), (1176, 264645), (1260, 247002), (1323, 235240), (1470, 211716), (1512, 205835), (1764, 176430), (1890, 164668), (1960, 158787), (2205, 141144), (2520, 123501), (2646, 117620), (2940, 105858), (3528, 88215), (3780, 82334), (4410, 70572), (5292, 58810), (5880, 52929), (5881, 52920), (6615, 47048), (7560, 41167), (8820, 35286), (10584, 29405), (11762, 26460), (13230, 23524), (17640, 17643)]