315821520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 240

約数和(自身を含む): 1221921792

約数和(自身を除く): 906100272

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, 223, 240, 252, 280, 281, 315, 336, 360, 420, 446, 504, 560, 562, 630, 669, 720, 840, 843, 892, 1008, 1115, 1124, 1260, 1338, 1405, 1561, 1680, 1686, 1784, 1967, 2007, 2230, 2248, 2520, 2529, 2676, 2810, 3122, 3345, 3372, 3568, 3934, 4014, 4215, 4460, 4496, 4683, 5040, 5058, 5352, 5620, 5901, 6244, 6690, 6744, 7805, 7868, 8028, 8430, 8920, 9366, 9835, 10035, 10116, 10704, 11240, 11802, 12488, 12645, 13380, 13488, 14049, 15610, 15736, 16056, 16860, 17703, 17840, 18732, 19670, 20070, 20232, 22480, 23415, 23604, 24976, 25290, 26760, 28098, 29505, 31220, 31472, 32112, 33720, 35406, 37464, 39340, 40140, 40464, 46830, 47208, 50580, 53520, 56196, 59010, 62440, 62663, 67440, 70245, 70812, 74928, 78680, 80280, 88515, 93660, 94416, 101160, 112392, 118020, 124880, 125326, 140490, 141624, 157360, 160560, 177030, 187320, 187989, 202320, 224784, 236040, 250652, 280980, 283248, 313315, 354060, 374640, 375978, 438641, 472080, 501304, 561960, 563967, 626630, 708120, 751956, 877282, 939945, 1002608, 1123920, 1127934, 1253260, 1315923, 1416240, 1503912, 1754564, 1879890, 2193205, 2255868, 2506520, 2631846, 2819835, 3007824, 3509128, 3759780, 3947769, 4386410, 4511736, 5013040, 5263692, 5639670, 6579615, 7018256, 7519560, 7895538, 8772820, 9023472, 10527384, 11279340, 13159230, 15039120, 15791076, 17545640, 19738845, 21054768, 22558680, 26318460, 31582152, 35091280, 39477690, 45117360, 52636920, 63164304, 78955380, 105273840, 157910760, 315821520]

約数ペア:

[(1, 315821520), (2, 157910760), (3, 105273840), (4, 78955380), (5, 63164304), (6, 52636920), (7, 45117360), (8, 39477690), (9, 35091280), (10, 31582152), (12, 26318460), (14, 22558680), (15, 21054768), (16, 19738845), (18, 17545640), (20, 15791076), (21, 15039120), (24, 13159230), (28, 11279340), (30, 10527384), (35, 9023472), (36, 8772820), (40, 7895538), (42, 7519560), (45, 7018256), (48, 6579615), (56, 5639670), (60, 5263692), (63, 5013040), (70, 4511736), (72, 4386410), (80, 3947769), (84, 3759780), (90, 3509128), (105, 3007824), (112, 2819835), (120, 2631846), (126, 2506520), (140, 2255868), (144, 2193205), (168, 1879890), (180, 1754564), (210, 1503912), (223, 1416240), (240, 1315923), (252, 1253260), (280, 1127934), (281, 1123920), (315, 1002608), (336, 939945), (360, 877282), (420, 751956), (446, 708120), (504, 626630), (560, 563967), (562, 561960), (630, 501304), (669, 472080), (720, 438641), (840, 375978), (843, 374640), (892, 354060), (1008, 313315), (1115, 283248), (1124, 280980), (1260, 250652), (1338, 236040), (1405, 224784), (1561, 202320), (1680, 187989), (1686, 187320), (1784, 177030), (1967, 160560), (2007, 157360), (2230, 141624), (2248, 140490), (2520, 125326), (2529, 124880), (2676, 118020), (2810, 112392), (3122, 101160), (3345, 94416), (3372, 93660), (3568, 88515), (3934, 80280), (4014, 78680), (4215, 74928), (4460, 70812), (4496, 70245), (4683, 67440), (5040, 62663), (5058, 62440), (5352, 59010), (5620, 56196), (5901, 53520), (6244, 50580), (6690, 47208), (6744, 46830), (7805, 40464), (7868, 40140), (8028, 39340), (8430, 37464), (8920, 35406), (9366, 33720), (9835, 32112), (10035, 31472), (10116, 31220), (10704, 29505), (11240, 28098), (11802, 26760), (12488, 25290), (12645, 24976), (13380, 23604), (13488, 23415), (14049, 22480), (15610, 20232), (15736, 20070), (16056, 19670), (16860, 18732), (17703, 17840)]