311293080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{2521}}^1$

素因数の和:2559

約数の個数: 192

約数和(自身を含む): 1180296000

約数和(自身を除く): 869002920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1372, 1470, 1715, 1764, 1960, 2058, 2205, 2520, 2521, 2744, 2940, 3087, 3430, 3528, 4116, 4410, 5042, 5145, 5880, 6174, 6860, 7563, 8232, 8820, 10084, 10290, 12348, 12605, 13720, 15126, 15435, 17640, 17647, 20168, 20580, 22689, 24696, 25210, 30252, 30870, 35294, 37815, 41160, 45378, 50420, 52941, 60504, 61740, 70588, 75630, 88235, 90756, 100840, 105882, 113445, 123480, 123529, 141176, 151260, 158823, 176470, 181512, 211764, 226890, 247058, 264705, 302520, 317646, 352940, 370587, 423528, 453780, 494116, 529410, 617645, 635292, 705880, 741174, 794115, 864703, 907560, 988232, 1058820, 1111761, 1235290, 1270584, 1482348, 1588230, 1729406, 1852935, 2117640, 2223522, 2470580, 2594109, 2964696, 3176460, 3458812, 3705870, 4323515, 4447044, 4941160, 5188218, 5558805, 6352920, 6917624, 7411740, 7782327, 8647030, 8894088, 10376436, 11117610, 12970545, 14823480, 15564654, 17294060, 20752872, 22235220, 25941090, 31129308, 34588120, 38911635, 44470440, 51882180, 62258616, 77823270, 103764360, 155646540, 311293080]

約数ペア:

[(1, 311293080), (2, 155646540), (3, 103764360), (4, 77823270), (5, 62258616), (6, 51882180), (7, 44470440), (8, 38911635), (9, 34588120), (10, 31129308), (12, 25941090), (14, 22235220), (15, 20752872), (18, 17294060), (20, 15564654), (21, 14823480), (24, 12970545), (28, 11117610), (30, 10376436), (35, 8894088), (36, 8647030), (40, 7782327), (42, 7411740), (45, 6917624), (49, 6352920), (56, 5558805), (60, 5188218), (63, 4941160), (70, 4447044), (72, 4323515), (84, 3705870), (90, 3458812), (98, 3176460), (105, 2964696), (120, 2594109), (126, 2470580), (140, 2223522), (147, 2117640), (168, 1852935), (180, 1729406), (196, 1588230), (210, 1482348), (245, 1270584), (252, 1235290), (280, 1111761), (294, 1058820), (315, 988232), (343, 907560), (360, 864703), (392, 794115), (420, 741174), (441, 705880), (490, 635292), (504, 617645), (588, 529410), (630, 494116), (686, 453780), (735, 423528), (840, 370587), (882, 352940), (980, 317646), (1029, 302520), (1176, 264705), (1260, 247058), (1372, 226890), (1470, 211764), (1715, 181512), (1764, 176470), (1960, 158823), (2058, 151260), (2205, 141176), (2520, 123529), (2521, 123480), (2744, 113445), (2940, 105882), (3087, 100840), (3430, 90756), (3528, 88235), (4116, 75630), (4410, 70588), (5042, 61740), (5145, 60504), (5880, 52941), (6174, 50420), (6860, 45378), (7563, 41160), (8232, 37815), (8820, 35294), (10084, 30870), (10290, 30252), (12348, 25210), (12605, 24696), (13720, 22689), (15126, 20580), (15435, 20168), (17640, 17647)]