491435280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:654

約数の個数: 240

約数和(自身を含む): 1898342784

約数和(自身を除く): 1406907504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 281, 315, 336, 347, 360, 420, 504, 560, 562, 630, 694, 720, 840, 843, 1008, 1041, 1124, 1260, 1388, 1405, 1680, 1686, 1735, 1967, 2082, 2248, 2429, 2520, 2529, 2776, 2810, 3123, 3372, 3470, 3934, 4164, 4215, 4496, 4858, 5040, 5058, 5205, 5552, 5620, 5901, 6246, 6744, 6940, 7287, 7868, 8328, 8430, 9716, 9835, 10116, 10410, 11240, 11802, 12145, 12492, 12645, 13488, 13880, 14574, 15615, 15736, 16656, 16860, 17703, 19432, 19670, 20232, 20820, 21861, 22480, 23604, 24290, 24984, 25290, 27760, 29148, 29505, 31230, 31472, 33720, 35406, 36435, 38864, 39340, 40464, 41640, 43722, 47208, 48580, 49968, 50580, 58296, 59010, 62460, 67440, 70812, 72870, 78680, 83280, 87444, 88515, 94416, 97160, 97507, 101160, 109305, 116592, 118020, 124920, 141624, 145740, 157360, 174888, 177030, 194320, 195014, 202320, 218610, 236040, 249840, 283248, 291480, 292521, 349776, 354060, 390028, 437220, 472080, 487535, 582960, 585042, 682549, 708120, 780056, 874440, 877563, 975070, 1170084, 1365098, 1416240, 1462605, 1560112, 1748880, 1755126, 1950140, 2047647, 2340168, 2730196, 2925210, 3412745, 3510252, 3900280, 4095294, 4387815, 4680336, 5460392, 5850420, 6142941, 6825490, 7020504, 7800560, 8190588, 8775630, 10238235, 10920784, 11700840, 12285882, 13650980, 14041008, 16381176, 17551260, 20476470, 23401680, 24571764, 27301960, 30714705, 32762352, 35102520, 40952940, 49143528, 54603920, 61429410, 70205040, 81905880, 98287056, 122858820, 163811760, 245717640, 491435280]

約数ペア:

[(1, 491435280), (2, 245717640), (3, 163811760), (4, 122858820), (5, 98287056), (6, 81905880), (7, 70205040), (8, 61429410), (9, 54603920), (10, 49143528), (12, 40952940), (14, 35102520), (15, 32762352), (16, 30714705), (18, 27301960), (20, 24571764), (21, 23401680), (24, 20476470), (28, 17551260), (30, 16381176), (35, 14041008), (36, 13650980), (40, 12285882), (42, 11700840), (45, 10920784), (48, 10238235), (56, 8775630), (60, 8190588), (63, 7800560), (70, 7020504), (72, 6825490), (80, 6142941), (84, 5850420), (90, 5460392), (105, 4680336), (112, 4387815), (120, 4095294), (126, 3900280), (140, 3510252), (144, 3412745), (168, 2925210), (180, 2730196), (210, 2340168), (240, 2047647), (252, 1950140), (280, 1755126), (281, 1748880), (315, 1560112), (336, 1462605), (347, 1416240), (360, 1365098), (420, 1170084), (504, 975070), (560, 877563), (562, 874440), (630, 780056), (694, 708120), (720, 682549), (840, 585042), (843, 582960), (1008, 487535), (1041, 472080), (1124, 437220), (1260, 390028), (1388, 354060), (1405, 349776), (1680, 292521), (1686, 291480), (1735, 283248), (1967, 249840), (2082, 236040), (2248, 218610), (2429, 202320), (2520, 195014), (2529, 194320), (2776, 177030), (2810, 174888), (3123, 157360), (3372, 145740), (3470, 141624), (3934, 124920), (4164, 118020), (4215, 116592), (4496, 109305), (4858, 101160), (5040, 97507), (5058, 97160), (5205, 94416), (5552, 88515), (5620, 87444), (5901, 83280), (6246, 78680), (6744, 72870), (6940, 70812), (7287, 67440), (7868, 62460), (8328, 59010), (8430, 58296), (9716, 50580), (9835, 49968), (10116, 48580), (10410, 47208), (11240, 43722), (11802, 41640), (12145, 40464), (12492, 39340), (12645, 38864), (13488, 36435), (13880, 35406), (14574, 33720), (15615, 31472), (15736, 31230), (16656, 29505), (16860, 29148), (17703, 27760), (19432, 25290), (19670, 24984), (20232, 24290), (20820, 23604), (21861, 22480)]