225912540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1856

約数の個数: 144

約数和(自身を含む): 753363072

約数和(自身を除く): 527450532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 980, 1204, 1290, 1470, 1505, 1787, 1806, 2107, 2580, 2940, 3010, 3574, 3612, 4214, 4515, 5361, 6020, 6321, 7148, 8428, 8935, 9030, 10535, 10722, 12509, 12642, 17870, 18060, 21070, 21444, 25018, 25284, 26805, 31605, 35740, 37527, 42140, 50036, 53610, 62545, 63210, 75054, 76841, 87563, 107220, 125090, 126420, 150108, 153682, 175126, 187635, 230523, 250180, 262689, 307364, 350252, 375270, 384205, 437815, 461046, 525378, 537887, 750540, 768410, 875630, 922092, 1050756, 1075774, 1152615, 1313445, 1536820, 1613661, 1751260, 2151548, 2305230, 2626890, 2689435, 3227322, 3765209, 4610460, 5253780, 5378870, 6454644, 7530418, 8068305, 10757740, 11295627, 15060836, 16136610, 18826045, 22591254, 32273220, 37652090, 45182508, 56478135, 75304180, 112956270, 225912540]

約数ペア:

[(1, 225912540), (2, 112956270), (3, 75304180), (4, 56478135), (5, 45182508), (6, 37652090), (7, 32273220), (10, 22591254), (12, 18826045), (14, 16136610), (15, 15060836), (20, 11295627), (21, 10757740), (28, 8068305), (30, 7530418), (35, 6454644), (42, 5378870), (43, 5253780), (49, 4610460), (60, 3765209), (70, 3227322), (84, 2689435), (86, 2626890), (98, 2305230), (105, 2151548), (129, 1751260), (140, 1613661), (147, 1536820), (172, 1313445), (196, 1152615), (210, 1075774), (215, 1050756), (245, 922092), (258, 875630), (294, 768410), (301, 750540), (420, 537887), (430, 525378), (490, 461046), (516, 437815), (588, 384205), (602, 375270), (645, 350252), (735, 307364), (860, 262689), (903, 250180), (980, 230523), (1204, 187635), (1290, 175126), (1470, 153682), (1505, 150108), (1787, 126420), (1806, 125090), (2107, 107220), (2580, 87563), (2940, 76841), (3010, 75054), (3574, 63210), (3612, 62545), (4214, 53610), (4515, 50036), (5361, 42140), (6020, 37527), (6321, 35740), (7148, 31605), (8428, 26805), (8935, 25284), (9030, 25018), (10535, 21444), (10722, 21070), (12509, 18060), (12642, 17870)]