71741880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^4\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 275282280

約数和(自身を除く): 203540400

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, 83, 84, 90, 98, 105, 120, 126, 140, 147, 166, 168, 180, 196, 210, 245, 249, 252, 280, 294, 315, 332, 343, 360, 392, 415, 420, 441, 490, 498, 504, 581, 588, 630, 664, 686, 735, 747, 830, 840, 882, 980, 996, 1029, 1162, 1176, 1245, 1260, 1372, 1470, 1494, 1660, 1715, 1743, 1764, 1960, 1992, 2058, 2205, 2324, 2401, 2490, 2520, 2744, 2905, 2940, 2988, 3087, 3320, 3430, 3486, 3528, 3735, 4067, 4116, 4410, 4648, 4802, 4980, 5145, 5229, 5810, 5880, 5976, 6174, 6860, 6972, 7203, 7470, 8134, 8232, 8715, 8820, 9604, 9960, 10290, 10458, 11620, 12005, 12201, 12348, 13720, 13944, 14406, 14940, 15435, 16268, 17430, 17640, 19208, 20335, 20580, 20916, 21609, 23240, 24010, 24402, 24696, 26145, 28469, 28812, 29880, 30870, 32536, 34860, 36015, 36603, 40670, 41160, 41832, 43218, 48020, 48804, 52290, 56938, 57624, 61005, 61740, 69720, 72030, 73206, 81340, 85407, 86436, 96040, 97608, 104580, 108045, 113876, 122010, 123480, 142345, 144060, 146412, 162680, 170814, 172872, 183015, 199283, 209160, 216090, 227752, 244020, 256221, 284690, 288120, 292824, 341628, 366030, 398566, 427035, 432180, 488040, 512442, 569380, 597849, 683256, 732060, 797132, 854070, 864360, 996415, 1024884, 1138760, 1195698, 1281105, 1464120, 1594264, 1708140, 1793547, 1992830, 2049768, 2391396, 2562210, 2989245, 3416280, 3587094, 3985660, 4782792, 5124420, 5978490, 7174188, 7971320, 8967735, 10248840, 11956980, 14348376, 17935470, 23913960, 35870940, 71741880]

約数ペア:

[(1, 71741880), (2, 35870940), (3, 23913960), (4, 17935470), (5, 14348376), (6, 11956980), (7, 10248840), (8, 8967735), (9, 7971320), (10, 7174188), (12, 5978490), (14, 5124420), (15, 4782792), (18, 3985660), (20, 3587094), (21, 3416280), (24, 2989245), (28, 2562210), (30, 2391396), (35, 2049768), (36, 1992830), (40, 1793547), (42, 1708140), (45, 1594264), (49, 1464120), (56, 1281105), (60, 1195698), (63, 1138760), (70, 1024884), (72, 996415), (83, 864360), (84, 854070), (90, 797132), (98, 732060), (105, 683256), (120, 597849), (126, 569380), (140, 512442), (147, 488040), (166, 432180), (168, 427035), (180, 398566), (196, 366030), (210, 341628), (245, 292824), (249, 288120), (252, 284690), (280, 256221), (294, 244020), (315, 227752), (332, 216090), (343, 209160), (360, 199283), (392, 183015), (415, 172872), (420, 170814), (441, 162680), (490, 146412), (498, 144060), (504, 142345), (581, 123480), (588, 122010), (630, 113876), (664, 108045), (686, 104580), (735, 97608), (747, 96040), (830, 86436), (840, 85407), (882, 81340), (980, 73206), (996, 72030), (1029, 69720), (1162, 61740), (1176, 61005), (1245, 57624), (1260, 56938), (1372, 52290), (1470, 48804), (1494, 48020), (1660, 43218), (1715, 41832), (1743, 41160), (1764, 40670), (1960, 36603), (1992, 36015), (2058, 34860), (2205, 32536), (2324, 30870), (2401, 29880), (2490, 28812), (2520, 28469), (2744, 26145), (2905, 24696), (2940, 24402), (2988, 24010), (3087, 23240), (3320, 21609), (3430, 20916), (3486, 20580), (3528, 20335), (3735, 19208), (4067, 17640), (4116, 17430), (4410, 16268), (4648, 15435), (4802, 14940), (4980, 14406), (5145, 13944), (5229, 13720), (5810, 12348), (5880, 12201), (5976, 12005), (6174, 11620), (6860, 10458), (6972, 10290), (7203, 9960), (7470, 9604), (8134, 8820), (8232, 8715)]