245953680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:825

約数の個数: 160

約数和(自身を含む): 876158208

約数和(自身を除く): 630204528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 281, 336, 420, 521, 560, 562, 840, 843, 1042, 1124, 1405, 1563, 1680, 1686, 1967, 2084, 2248, 2605, 2810, 3126, 3372, 3647, 3934, 4168, 4215, 4496, 5210, 5620, 5901, 6252, 6744, 7294, 7815, 7868, 8336, 8430, 9835, 10420, 10941, 11240, 11802, 12504, 13488, 14588, 15630, 15736, 16860, 18235, 19670, 20840, 21882, 22480, 23604, 25008, 29176, 29505, 31260, 31472, 33720, 36470, 39340, 41680, 43764, 47208, 54705, 58352, 59010, 62520, 67440, 72940, 78680, 87528, 94416, 109410, 118020, 125040, 145880, 146401, 157360, 175056, 218820, 236040, 291760, 292802, 437640, 439203, 472080, 585604, 732005, 875280, 878406, 1024807, 1171208, 1464010, 1756812, 2049614, 2196015, 2342416, 2928020, 3074421, 3513624, 4099228, 4392030, 5124035, 5856040, 6148842, 7027248, 8198456, 8784060, 10248070, 11712080, 12297684, 15372105, 16396912, 17568120, 20496140, 24595368, 30744210, 35136240, 40992280, 49190736, 61488420, 81984560, 122976840, 245953680]

約数ペア:

[(1, 245953680), (2, 122976840), (3, 81984560), (4, 61488420), (5, 49190736), (6, 40992280), (7, 35136240), (8, 30744210), (10, 24595368), (12, 20496140), (14, 17568120), (15, 16396912), (16, 15372105), (20, 12297684), (21, 11712080), (24, 10248070), (28, 8784060), (30, 8198456), (35, 7027248), (40, 6148842), (42, 5856040), (48, 5124035), (56, 4392030), (60, 4099228), (70, 3513624), (80, 3074421), (84, 2928020), (105, 2342416), (112, 2196015), (120, 2049614), (140, 1756812), (168, 1464010), (210, 1171208), (240, 1024807), (280, 878406), (281, 875280), (336, 732005), (420, 585604), (521, 472080), (560, 439203), (562, 437640), (840, 292802), (843, 291760), (1042, 236040), (1124, 218820), (1405, 175056), (1563, 157360), (1680, 146401), (1686, 145880), (1967, 125040), (2084, 118020), (2248, 109410), (2605, 94416), (2810, 87528), (3126, 78680), (3372, 72940), (3647, 67440), (3934, 62520), (4168, 59010), (4215, 58352), (4496, 54705), (5210, 47208), (5620, 43764), (5901, 41680), (6252, 39340), (6744, 36470), (7294, 33720), (7815, 31472), (7868, 31260), (8336, 29505), (8430, 29176), (9835, 25008), (10420, 23604), (10941, 22480), (11240, 21882), (11802, 20840), (12504, 19670), (13488, 18235), (14588, 16860), (15630, 15736)]