122519440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 297123840

約数和(自身を除く): 174604400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 389, 496, 508, 620, 635, 778, 1016, 1240, 1270, 1556, 1945, 2032, 2480, 2540, 3112, 3890, 3937, 5080, 6224, 7780, 7874, 10160, 12059, 15560, 15748, 19685, 24118, 31120, 31496, 39370, 48236, 49403, 60295, 62992, 78740, 96472, 98806, 120590, 157480, 192944, 197612, 241180, 247015, 314960, 395224, 482360, 494030, 790448, 964720, 988060, 1531493, 1976120, 3062986, 3952240, 6125972, 7657465, 12251944, 15314930, 24503888, 30629860, 61259720, 122519440]

約数ペア:

[(1, 122519440), (2, 61259720), (4, 30629860), (5, 24503888), (8, 15314930), (10, 12251944), (16, 7657465), (20, 6125972), (31, 3952240), (40, 3062986), (62, 1976120), (80, 1531493), (124, 988060), (127, 964720), (155, 790448), (248, 494030), (254, 482360), (310, 395224), (389, 314960), (496, 247015), (508, 241180), (620, 197612), (635, 192944), (778, 157480), (1016, 120590), (1240, 98806), (1270, 96472), (1556, 78740), (1945, 62992), (2032, 60295), (2480, 49403), (2540, 48236), (3112, 39370), (3890, 31496), (3937, 31120), (5080, 24118), (6224, 19685), (7780, 15748), (7874, 15560), (10160, 12059)]