278839260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 1017375744

約数和(自身を除く): 738536484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 67, 70, 81, 84, 90, 105, 108, 126, 134, 135, 140, 162, 180, 189, 201, 210, 252, 268, 270, 315, 324, 335, 367, 378, 402, 405, 420, 469, 540, 567, 603, 630, 670, 734, 756, 804, 810, 938, 945, 1005, 1101, 1134, 1206, 1260, 1340, 1407, 1468, 1620, 1809, 1835, 1876, 1890, 2010, 2202, 2268, 2345, 2412, 2569, 2814, 2835, 3015, 3303, 3618, 3670, 3780, 4020, 4221, 4404, 4690, 5138, 5427, 5505, 5628, 5670, 6030, 6606, 7035, 7236, 7340, 7707, 8442, 9045, 9380, 9909, 10276, 10854, 11010, 11340, 12060, 12663, 12845, 13212, 14070, 15414, 16515, 16884, 18090, 19818, 21105, 21708, 22020, 23121, 24589, 25326, 25690, 27135, 28140, 29727, 30828, 33030, 36180, 37989, 38535, 39636, 42210, 46242, 49178, 49545, 50652, 51380, 54270, 59454, 63315, 66060, 69363, 73767, 75978, 77070, 84420, 92484, 98356, 99090, 108540, 115605, 118908, 122945, 126630, 138726, 147534, 148635, 151956, 154140, 172123, 189945, 198180, 208089, 221301, 231210, 245890, 253260, 277452, 295068, 297270, 344246, 346815, 368835, 379890, 416178, 442602, 462420, 491780, 516369, 594540, 663903, 688492, 693630, 737670, 759780, 832356, 860615, 885204, 1032738, 1040445, 1106505, 1327806, 1387260, 1475340, 1549107, 1721230, 1991709, 2065476, 2080890, 2213010, 2581845, 2655612, 3098214, 3319515, 3442460, 3983418, 4161780, 4426020, 4647321, 5163690, 6196428, 6639030, 7745535, 7966836, 9294642, 9958545, 10327380, 13278060, 13941963, 15491070, 18589284, 19917090, 23236605, 27883926, 30982140, 39834180, 46473210, 55767852, 69709815, 92946420, 139419630, 278839260]

約数ペア:

[(1, 278839260), (2, 139419630), (3, 92946420), (4, 69709815), (5, 55767852), (6, 46473210), (7, 39834180), (9, 30982140), (10, 27883926), (12, 23236605), (14, 19917090), (15, 18589284), (18, 15491070), (20, 13941963), (21, 13278060), (27, 10327380), (28, 9958545), (30, 9294642), (35, 7966836), (36, 7745535), (42, 6639030), (45, 6196428), (54, 5163690), (60, 4647321), (63, 4426020), (67, 4161780), (70, 3983418), (81, 3442460), (84, 3319515), (90, 3098214), (105, 2655612), (108, 2581845), (126, 2213010), (134, 2080890), (135, 2065476), (140, 1991709), (162, 1721230), (180, 1549107), (189, 1475340), (201, 1387260), (210, 1327806), (252, 1106505), (268, 1040445), (270, 1032738), (315, 885204), (324, 860615), (335, 832356), (367, 759780), (378, 737670), (402, 693630), (405, 688492), (420, 663903), (469, 594540), (540, 516369), (567, 491780), (603, 462420), (630, 442602), (670, 416178), (734, 379890), (756, 368835), (804, 346815), (810, 344246), (938, 297270), (945, 295068), (1005, 277452), (1101, 253260), (1134, 245890), (1206, 231210), (1260, 221301), (1340, 208089), (1407, 198180), (1468, 189945), (1620, 172123), (1809, 154140), (1835, 151956), (1876, 148635), (1890, 147534), (2010, 138726), (2202, 126630), (2268, 122945), (2345, 118908), (2412, 115605), (2569, 108540), (2814, 99090), (2835, 98356), (3015, 92484), (3303, 84420), (3618, 77070), (3670, 75978), (3780, 73767), (4020, 69363), (4221, 66060), (4404, 63315), (4690, 59454), (5138, 54270), (5427, 51380), (5505, 50652), (5628, 49545), (5670, 49178), (6030, 46242), (6606, 42210), (7035, 39636), (7236, 38535), (7340, 37989), (7707, 36180), (8442, 33030), (9045, 30828), (9380, 29727), (9909, 28140), (10276, 27135), (10854, 25690), (11010, 25326), (11340, 24589), (12060, 23121), (12663, 22020), (12845, 21708), (13212, 21105), (14070, 19818), (15414, 18090), (16515, 16884)]