1280497552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 2715897600

約数和(自身を除く): 1435400048

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 337, 431, 464, 551, 674, 862, 1102, 1348, 1724, 2204, 2696, 3448, 4408, 5392, 6403, 6896, 8189, 8816, 9773, 12499, 12806, 16378, 19546, 24998, 25612, 32756, 39092, 49996, 51224, 65512, 78184, 99992, 102448, 131024, 145247, 156368, 185687, 199984, 237481, 290494, 371374, 474962, 580988, 742748, 949924, 1161976, 1485496, 1899848, 2323952, 2759693, 2970992, 3799696, 4212163, 5519386, 8424326, 11038772, 16848652, 22077544, 33697304, 44155088, 67394608, 80031097, 160062194, 320124388, 640248776, 1280497552]

約数ペア:

[(1, 1280497552), (2, 640248776), (4, 320124388), (8, 160062194), (16, 80031097), (19, 67394608), (29, 44155088), (38, 33697304), (58, 22077544), (76, 16848652), (116, 11038772), (152, 8424326), (232, 5519386), (304, 4212163), (337, 3799696), (431, 2970992), (464, 2759693), (551, 2323952), (674, 1899848), (862, 1485496), (1102, 1161976), (1348, 949924), (1724, 742748), (2204, 580988), (2696, 474962), (3448, 371374), (4408, 290494), (5392, 237481), (6403, 199984), (6896, 185687), (8189, 156368), (8816, 145247), (9773, 131024), (12499, 102448), (12806, 99992), (16378, 78184), (19546, 65512), (24998, 51224), (25612, 49996), (32756, 39092)]