245038880

素因数分解:

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

素因数の和:562

約数の個数: 96

約数和(自身を含む): 603832320

約数和(自身を除く): 358793440

約数列:

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

約数ペア:

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