215032440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1213

約数の個数: 128

約数和(自身を含む): 740689920

約数和(自身を除く): 525657480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 420, 562, 840, 843, 911, 1124, 1405, 1686, 1822, 1967, 2248, 2733, 2810, 3372, 3644, 3934, 4215, 4555, 5466, 5620, 5901, 6377, 6744, 7288, 7868, 8430, 9110, 9835, 10932, 11240, 11802, 12754, 13665, 15736, 16860, 18220, 19131, 19670, 21864, 23604, 25508, 27330, 29505, 31885, 33720, 36440, 38262, 39340, 47208, 51016, 54660, 59010, 63770, 76524, 78680, 95655, 109320, 118020, 127540, 153048, 191310, 236040, 255080, 255991, 382620, 511982, 765240, 767973, 1023964, 1279955, 1535946, 1791937, 2047928, 2559910, 3071892, 3583874, 3839865, 5119820, 5375811, 6143784, 7167748, 7679730, 8959685, 10239640, 10751622, 14335496, 15359460, 17919370, 21503244, 26879055, 30718920, 35838740, 43006488, 53758110, 71677480, 107516220, 215032440]

約数ペア:

[(1, 215032440), (2, 107516220), (3, 71677480), (4, 53758110), (5, 43006488), (6, 35838740), (7, 30718920), (8, 26879055), (10, 21503244), (12, 17919370), (14, 15359460), (15, 14335496), (20, 10751622), (21, 10239640), (24, 8959685), (28, 7679730), (30, 7167748), (35, 6143784), (40, 5375811), (42, 5119820), (56, 3839865), (60, 3583874), (70, 3071892), (84, 2559910), (105, 2047928), (120, 1791937), (140, 1535946), (168, 1279955), (210, 1023964), (280, 767973), (281, 765240), (420, 511982), (562, 382620), (840, 255991), (843, 255080), (911, 236040), (1124, 191310), (1405, 153048), (1686, 127540), (1822, 118020), (1967, 109320), (2248, 95655), (2733, 78680), (2810, 76524), (3372, 63770), (3644, 59010), (3934, 54660), (4215, 51016), (4555, 47208), (5466, 39340), (5620, 38262), (5901, 36440), (6377, 33720), (6744, 31885), (7288, 29505), (7868, 27330), (8430, 25508), (9110, 23604), (9835, 21864), (10932, 19670), (11240, 19131), (11802, 18220), (12754, 16860), (13665, 15736)]