820657320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:708

約数の個数: 256

約数和(自身を含む): 3013977600

約数和(自身を除く): 2193320280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 101, 102, 105, 119, 120, 136, 140, 168, 170, 202, 204, 210, 238, 255, 280, 303, 340, 357, 404, 408, 420, 476, 505, 510, 569, 595, 606, 680, 707, 714, 808, 840, 952, 1010, 1020, 1138, 1190, 1212, 1414, 1428, 1515, 1707, 1717, 1785, 2020, 2040, 2121, 2276, 2380, 2424, 2828, 2845, 2856, 3030, 3414, 3434, 3535, 3570, 3983, 4040, 4242, 4552, 4760, 5151, 5656, 5690, 6060, 6828, 6868, 7070, 7140, 7966, 8484, 8535, 8585, 9673, 10302, 10605, 11380, 11949, 12019, 12120, 13656, 13736, 14140, 14280, 15932, 16968, 17070, 17170, 19346, 19915, 20604, 21210, 22760, 23898, 24038, 25755, 28280, 29019, 31864, 34140, 34340, 36057, 38692, 39830, 41208, 42420, 47796, 48076, 48365, 51510, 57469, 58038, 59745, 60095, 67711, 68280, 68680, 72114, 77384, 79660, 84840, 95592, 96152, 96730, 103020, 114938, 116076, 119490, 120190, 135422, 144228, 145095, 159320, 172407, 180285, 193460, 203133, 206040, 229876, 232152, 238980, 240380, 270844, 287345, 288456, 290190, 338555, 344814, 360570, 386920, 402283, 406266, 459752, 477960, 480760, 541688, 574690, 580380, 677110, 689628, 721140, 804566, 812532, 862035, 976973, 1015665, 1149380, 1160760, 1206849, 1354220, 1379256, 1442280, 1609132, 1625064, 1724070, 1953946, 2011415, 2031330, 2298760, 2413698, 2708440, 2930919, 3218264, 3448140, 3907892, 4022830, 4062660, 4827396, 4884865, 5861838, 6034245, 6838811, 6896280, 7815784, 8045660, 8125320, 9654792, 9769730, 11723676, 12068490, 13677622, 14654595, 16091320, 19539460, 20516433, 23447352, 24136980, 27355244, 29309190, 34194055, 39078920, 41032866, 48273960, 54710488, 58618380, 68388110, 82065732, 102582165, 117236760, 136776220, 164131464, 205164330, 273552440, 410328660, 820657320]

約数ペア:

[(1, 820657320), (2, 410328660), (3, 273552440), (4, 205164330), (5, 164131464), (6, 136776220), (7, 117236760), (8, 102582165), (10, 82065732), (12, 68388110), (14, 58618380), (15, 54710488), (17, 48273960), (20, 41032866), (21, 39078920), (24, 34194055), (28, 29309190), (30, 27355244), (34, 24136980), (35, 23447352), (40, 20516433), (42, 19539460), (51, 16091320), (56, 14654595), (60, 13677622), (68, 12068490), (70, 11723676), (84, 9769730), (85, 9654792), (101, 8125320), (102, 8045660), (105, 7815784), (119, 6896280), (120, 6838811), (136, 6034245), (140, 5861838), (168, 4884865), (170, 4827396), (202, 4062660), (204, 4022830), (210, 3907892), (238, 3448140), (255, 3218264), (280, 2930919), (303, 2708440), (340, 2413698), (357, 2298760), (404, 2031330), (408, 2011415), (420, 1953946), (476, 1724070), (505, 1625064), (510, 1609132), (569, 1442280), (595, 1379256), (606, 1354220), (680, 1206849), (707, 1160760), (714, 1149380), (808, 1015665), (840, 976973), (952, 862035), (1010, 812532), (1020, 804566), (1138, 721140), (1190, 689628), (1212, 677110), (1414, 580380), (1428, 574690), (1515, 541688), (1707, 480760), (1717, 477960), (1785, 459752), (2020, 406266), (2040, 402283), (2121, 386920), (2276, 360570), (2380, 344814), (2424, 338555), (2828, 290190), (2845, 288456), (2856, 287345), (3030, 270844), (3414, 240380), (3434, 238980), (3535, 232152), (3570, 229876), (3983, 206040), (4040, 203133), (4242, 193460), (4552, 180285), (4760, 172407), (5151, 159320), (5656, 145095), (5690, 144228), (6060, 135422), (6828, 120190), (6868, 119490), (7070, 116076), (7140, 114938), (7966, 103020), (8484, 96730), (8535, 96152), (8585, 95592), (9673, 84840), (10302, 79660), (10605, 77384), (11380, 72114), (11949, 68680), (12019, 68280), (12120, 67711), (13656, 60095), (13736, 59745), (14140, 58038), (14280, 57469), (15932, 51510), (16968, 48365), (17070, 48076), (17170, 47796), (19346, 42420), (19915, 41208), (20604, 39830), (21210, 38692), (22760, 36057), (23898, 34340), (24038, 34140), (25755, 31864), (28280, 29019)]