488780640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:1941

約数の個数: 144

約数和(自身を含む): 1677403728

約数和(自身を除く): 1188623088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 720, 788, 985, 1182, 1440, 1576, 1723, 1773, 1970, 2364, 2955, 3152, 3446, 3546, 3940, 4728, 5169, 5910, 6304, 6892, 7092, 7880, 8615, 8865, 9456, 10338, 11820, 13784, 14184, 15507, 15760, 17230, 17730, 18912, 20676, 23640, 25845, 27568, 28368, 31014, 31520, 34460, 35460, 41352, 47280, 51690, 55136, 56736, 62028, 68920, 70920, 77535, 82704, 94560, 103380, 124056, 137840, 141840, 155070, 165408, 206760, 248112, 275680, 283680, 310140, 339431, 413520, 496224, 620280, 678862, 827040, 1018293, 1240560, 1357724, 1697155, 2036586, 2481120, 2715448, 3054879, 3394310, 4073172, 5091465, 5430896, 6109758, 6788620, 8146344, 10182930, 10861792, 12219516, 13577240, 15274395, 16292688, 20365860, 24439032, 27154480, 30548790, 32585376, 40731720, 48878064, 54308960, 61097580, 81463440, 97756128, 122195160, 162926880, 244390320, 488780640]

約数ペア:

[(1, 488780640), (2, 244390320), (3, 162926880), (4, 122195160), (5, 97756128), (6, 81463440), (8, 61097580), (9, 54308960), (10, 48878064), (12, 40731720), (15, 32585376), (16, 30548790), (18, 27154480), (20, 24439032), (24, 20365860), (30, 16292688), (32, 15274395), (36, 13577240), (40, 12219516), (45, 10861792), (48, 10182930), (60, 8146344), (72, 6788620), (80, 6109758), (90, 5430896), (96, 5091465), (120, 4073172), (144, 3394310), (160, 3054879), (180, 2715448), (197, 2481120), (240, 2036586), (288, 1697155), (360, 1357724), (394, 1240560), (480, 1018293), (591, 827040), (720, 678862), (788, 620280), (985, 496224), (1182, 413520), (1440, 339431), (1576, 310140), (1723, 283680), (1773, 275680), (1970, 248112), (2364, 206760), (2955, 165408), (3152, 155070), (3446, 141840), (3546, 137840), (3940, 124056), (4728, 103380), (5169, 94560), (5910, 82704), (6304, 77535), (6892, 70920), (7092, 68920), (7880, 62028), (8615, 56736), (8865, 55136), (9456, 51690), (10338, 47280), (11820, 41352), (13784, 35460), (14184, 34460), (15507, 31520), (15760, 31014), (17230, 28368), (17730, 27568), (18912, 25845), (20676, 23640)]