517089920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 1298419200

約数和(自身を除く): 781329280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 268, 310, 320, 335, 389, 496, 536, 620, 640, 670, 778, 992, 1072, 1240, 1340, 1556, 1945, 1984, 2077, 2144, 2480, 2680, 3112, 3890, 3968, 4154, 4288, 4960, 5360, 6224, 7780, 8308, 8576, 9920, 10385, 10720, 12059, 12448, 15560, 16616, 19840, 20770, 21440, 24118, 24896, 26063, 31120, 33232, 41540, 42880, 48236, 49792, 52126, 60295, 62240, 66464, 83080, 96472, 104252, 120590, 124480, 130315, 132928, 166160, 192944, 208504, 241180, 248960, 260630, 265856, 332320, 385888, 417008, 482360, 521260, 664640, 771776, 807953, 834016, 964720, 1042520, 1329280, 1543552, 1615906, 1668032, 1929440, 2085040, 3231812, 3336064, 3858880, 4039765, 4170080, 6463624, 7717760, 8079530, 8340160, 12927248, 16159060, 16680320, 25854496, 32318120, 51708992, 64636240, 103417984, 129272480, 258544960, 517089920]

約数ペア:

[(1, 517089920), (2, 258544960), (4, 129272480), (5, 103417984), (8, 64636240), (10, 51708992), (16, 32318120), (20, 25854496), (31, 16680320), (32, 16159060), (40, 12927248), (62, 8340160), (64, 8079530), (67, 7717760), (80, 6463624), (124, 4170080), (128, 4039765), (134, 3858880), (155, 3336064), (160, 3231812), (248, 2085040), (268, 1929440), (310, 1668032), (320, 1615906), (335, 1543552), (389, 1329280), (496, 1042520), (536, 964720), (620, 834016), (640, 807953), (670, 771776), (778, 664640), (992, 521260), (1072, 482360), (1240, 417008), (1340, 385888), (1556, 332320), (1945, 265856), (1984, 260630), (2077, 248960), (2144, 241180), (2480, 208504), (2680, 192944), (3112, 166160), (3890, 132928), (3968, 130315), (4154, 124480), (4288, 120590), (4960, 104252), (5360, 96472), (6224, 83080), (7780, 66464), (8308, 62240), (8576, 60295), (9920, 52126), (10385, 49792), (10720, 48236), (12059, 42880), (12448, 41540), (15560, 33232), (16616, 31120), (19840, 26063), (20770, 24896), (21440, 24118)]