280212840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 948776400

約数和(自身を除く): 668563560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 109, 111, 120, 148, 180, 185, 193, 218, 222, 296, 327, 333, 360, 370, 386, 436, 444, 545, 555, 579, 654, 666, 740, 772, 872, 888, 965, 981, 1090, 1110, 1158, 1308, 1332, 1480, 1544, 1635, 1665, 1737, 1930, 1962, 2180, 2220, 2316, 2616, 2664, 2895, 3270, 3330, 3474, 3860, 3924, 4033, 4360, 4440, 4632, 4905, 5790, 6540, 6660, 6948, 7141, 7720, 7848, 8066, 8685, 9810, 11580, 12099, 13080, 13320, 13896, 14282, 16132, 17370, 19620, 20165, 21037, 21423, 23160, 24198, 28564, 32264, 34740, 35705, 36297, 39240, 40330, 42074, 42846, 48396, 57128, 60495, 63111, 64269, 69480, 71410, 72594, 80660, 84148, 85692, 96792, 105185, 107115, 120990, 126222, 128538, 142820, 145188, 161320, 168296, 171384, 181485, 189333, 210370, 214230, 241980, 252444, 257076, 285640, 290376, 315555, 321345, 362970, 378666, 420740, 428460, 483960, 504888, 514152, 631110, 642690, 725940, 757332, 778369, 841480, 856920, 946665, 1262220, 1285380, 1451880, 1514664, 1556738, 1893330, 2335107, 2524440, 2570760, 3113476, 3786660, 3891845, 4670214, 6226952, 7005321, 7573320, 7783690, 9340428, 11675535, 14010642, 15567380, 18680856, 23351070, 28021284, 31134760, 35026605, 46702140, 56042568, 70053210, 93404280, 140106420, 280212840]

約数ペア:

[(1, 280212840), (2, 140106420), (3, 93404280), (4, 70053210), (5, 56042568), (6, 46702140), (8, 35026605), (9, 31134760), (10, 28021284), (12, 23351070), (15, 18680856), (18, 15567380), (20, 14010642), (24, 11675535), (30, 9340428), (36, 7783690), (37, 7573320), (40, 7005321), (45, 6226952), (60, 4670214), (72, 3891845), (74, 3786660), (90, 3113476), (109, 2570760), (111, 2524440), (120, 2335107), (148, 1893330), (180, 1556738), (185, 1514664), (193, 1451880), (218, 1285380), (222, 1262220), (296, 946665), (327, 856920), (333, 841480), (360, 778369), (370, 757332), (386, 725940), (436, 642690), (444, 631110), (545, 514152), (555, 504888), (579, 483960), (654, 428460), (666, 420740), (740, 378666), (772, 362970), (872, 321345), (888, 315555), (965, 290376), (981, 285640), (1090, 257076), (1110, 252444), (1158, 241980), (1308, 214230), (1332, 210370), (1480, 189333), (1544, 181485), (1635, 171384), (1665, 168296), (1737, 161320), (1930, 145188), (1962, 142820), (2180, 128538), (2220, 126222), (2316, 120990), (2616, 107115), (2664, 105185), (2895, 96792), (3270, 85692), (3330, 84148), (3474, 80660), (3860, 72594), (3924, 71410), (4033, 69480), (4360, 64269), (4440, 63111), (4632, 60495), (4905, 57128), (5790, 48396), (6540, 42846), (6660, 42074), (6948, 40330), (7141, 39240), (7720, 36297), (7848, 35705), (8066, 34740), (8685, 32264), (9810, 28564), (11580, 24198), (12099, 23160), (13080, 21423), (13320, 21037), (13896, 20165), (14282, 19620), (16132, 17370)]