278892720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 200

約数和(自身を含む): 978020736

約数和(自身を除く): 699128016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 193, 216, 223, 240, 270, 324, 360, 386, 405, 432, 446, 540, 579, 648, 669, 720, 772, 810, 892, 965, 1080, 1115, 1158, 1296, 1338, 1544, 1620, 1737, 1784, 1930, 2007, 2160, 2230, 2316, 2676, 2895, 3088, 3240, 3345, 3474, 3568, 3860, 4014, 4460, 4632, 5211, 5352, 5790, 6021, 6480, 6690, 6948, 7720, 8028, 8685, 8920, 9264, 10035, 10422, 10704, 11580, 12042, 13380, 13896, 15440, 15633, 16056, 17370, 17840, 18063, 20070, 20844, 23160, 24084, 26055, 26760, 27792, 30105, 31266, 32112, 34740, 36126, 40140, 41688, 43039, 46320, 48168, 52110, 53520, 60210, 62532, 69480, 72252, 78165, 80280, 83376, 86078, 90315, 96336, 104220, 120420, 125064, 129117, 138960, 144504, 156330, 160560, 172156, 180630, 208440, 215195, 240840, 250128, 258234, 289008, 312660, 344312, 361260, 387351, 416880, 430390, 481680, 516468, 625320, 645585, 688624, 722520, 774702, 860780, 1032936, 1162053, 1250640, 1291170, 1445040, 1549404, 1721560, 1936755, 2065872, 2324106, 2582340, 3098808, 3443120, 3486159, 3873510, 4648212, 5164680, 5810265, 6197616, 6972318, 7747020, 9296424, 10329360, 11620530, 13944636, 15494040, 17430795, 18592848, 23241060, 27889272, 30988080, 34861590, 46482120, 55778544, 69723180, 92964240, 139446360, 278892720]

約数ペア:

[(1, 278892720), (2, 139446360), (3, 92964240), (4, 69723180), (5, 55778544), (6, 46482120), (8, 34861590), (9, 30988080), (10, 27889272), (12, 23241060), (15, 18592848), (16, 17430795), (18, 15494040), (20, 13944636), (24, 11620530), (27, 10329360), (30, 9296424), (36, 7747020), (40, 6972318), (45, 6197616), (48, 5810265), (54, 5164680), (60, 4648212), (72, 3873510), (80, 3486159), (81, 3443120), (90, 3098808), (108, 2582340), (120, 2324106), (135, 2065872), (144, 1936755), (162, 1721560), (180, 1549404), (193, 1445040), (216, 1291170), (223, 1250640), (240, 1162053), (270, 1032936), (324, 860780), (360, 774702), (386, 722520), (405, 688624), (432, 645585), (446, 625320), (540, 516468), (579, 481680), (648, 430390), (669, 416880), (720, 387351), (772, 361260), (810, 344312), (892, 312660), (965, 289008), (1080, 258234), (1115, 250128), (1158, 240840), (1296, 215195), (1338, 208440), (1544, 180630), (1620, 172156), (1737, 160560), (1784, 156330), (1930, 144504), (2007, 138960), (2160, 129117), (2230, 125064), (2316, 120420), (2676, 104220), (2895, 96336), (3088, 90315), (3240, 86078), (3345, 83376), (3474, 80280), (3568, 78165), (3860, 72252), (4014, 69480), (4460, 62532), (4632, 60210), (5211, 53520), (5352, 52110), (5790, 48168), (6021, 46320), (6480, 43039), (6690, 41688), (6948, 40140), (7720, 36126), (8028, 34740), (8685, 32112), (8920, 31266), (9264, 30105), (10035, 27792), (10422, 26760), (10704, 26055), (11580, 24084), (12042, 23160), (13380, 20844), (13896, 20070), (15440, 18063), (15633, 17840), (16056, 17370)]