490077760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 112

約数和(自身を含む): 1217249280

約数和(自身を除く): 727171520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 310, 320, 389, 496, 508, 620, 635, 778, 992, 1016, 1240, 1270, 1556, 1945, 1984, 2032, 2480, 2540, 3112, 3890, 3937, 4064, 4960, 5080, 6224, 7780, 7874, 8128, 9920, 10160, 12059, 12448, 15560, 15748, 19685, 20320, 24118, 24896, 31120, 31496, 39370, 40640, 48236, 49403, 60295, 62240, 62992, 78740, 96472, 98806, 120590, 124480, 125984, 157480, 192944, 197612, 241180, 247015, 251968, 314960, 385888, 395224, 482360, 494030, 629920, 771776, 790448, 964720, 988060, 1259840, 1531493, 1580896, 1929440, 1976120, 3062986, 3161792, 3858880, 3952240, 6125972, 7657465, 7904480, 12251944, 15314930, 15808960, 24503888, 30629860, 49007776, 61259720, 98015552, 122519440, 245038880, 490077760]

約数ペア:

[(1, 490077760), (2, 245038880), (4, 122519440), (5, 98015552), (8, 61259720), (10, 49007776), (16, 30629860), (20, 24503888), (31, 15808960), (32, 15314930), (40, 12251944), (62, 7904480), (64, 7657465), (80, 6125972), (124, 3952240), (127, 3858880), (155, 3161792), (160, 3062986), (248, 1976120), (254, 1929440), (310, 1580896), (320, 1531493), (389, 1259840), (496, 988060), (508, 964720), (620, 790448), (635, 771776), (778, 629920), (992, 494030), (1016, 482360), (1240, 395224), (1270, 385888), (1556, 314960), (1945, 251968), (1984, 247015), (2032, 241180), (2480, 197612), (2540, 192944), (3112, 157480), (3890, 125984), (3937, 124480), (4064, 120590), (4960, 98806), (5080, 96472), (6224, 78740), (7780, 62992), (7874, 62240), (8128, 60295), (9920, 49403), (10160, 48236), (12059, 40640), (12448, 39370), (15560, 31496), (15748, 31120), (19685, 24896), (20320, 24118)]