55387440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1851

約数の個数: 120

約数和(自身を含む): 190441680

約数和(自身を除く): 135054240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1789, 1935, 2064, 2580, 3096, 3440, 3578, 3870, 5160, 5367, 6192, 7156, 7740, 8945, 10320, 10734, 14312, 15480, 16101, 17890, 21468, 26835, 28624, 30960, 32202, 35780, 42936, 53670, 64404, 71560, 76927, 80505, 85872, 107340, 128808, 143120, 153854, 161010, 214680, 230781, 257616, 307708, 322020, 384635, 429360, 461562, 615416, 644040, 692343, 769270, 923124, 1153905, 1230832, 1288080, 1384686, 1538540, 1846248, 2307810, 2769372, 3077080, 3461715, 3692496, 4615620, 5538744, 6154160, 6923430, 9231240, 11077488, 13846860, 18462480, 27693720, 55387440]

約数ペア:

[(1, 55387440), (2, 27693720), (3, 18462480), (4, 13846860), (5, 11077488), (6, 9231240), (8, 6923430), (9, 6154160), (10, 5538744), (12, 4615620), (15, 3692496), (16, 3461715), (18, 3077080), (20, 2769372), (24, 2307810), (30, 1846248), (36, 1538540), (40, 1384686), (43, 1288080), (45, 1230832), (48, 1153905), (60, 923124), (72, 769270), (80, 692343), (86, 644040), (90, 615416), (120, 461562), (129, 429360), (144, 384635), (172, 322020), (180, 307708), (215, 257616), (240, 230781), (258, 214680), (344, 161010), (360, 153854), (387, 143120), (430, 128808), (516, 107340), (645, 85872), (688, 80505), (720, 76927), (774, 71560), (860, 64404), (1032, 53670), (1290, 42936), (1548, 35780), (1720, 32202), (1789, 30960), (1935, 28624), (2064, 26835), (2580, 21468), (3096, 17890), (3440, 16101), (3578, 15480), (3870, 14312), (5160, 10734), (5367, 10320), (6192, 8945), (7156, 7740)]