720543460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 192

約数和(自身を含む): 1996001280

約数和(自身を除く): 1275457820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 67, 70, 76, 91, 95, 130, 133, 134, 140, 182, 190, 247, 260, 266, 268, 311, 335, 364, 380, 455, 469, 494, 532, 622, 665, 670, 871, 910, 938, 988, 1235, 1244, 1273, 1330, 1340, 1555, 1729, 1742, 1820, 1876, 2177, 2345, 2470, 2546, 2660, 3110, 3458, 3484, 4043, 4354, 4355, 4690, 4940, 5092, 5909, 6097, 6220, 6365, 6916, 8086, 8645, 8708, 8710, 8911, 9380, 10885, 11818, 12194, 12730, 16172, 16549, 17290, 17420, 17822, 20215, 20837, 21770, 23636, 24388, 25460, 28301, 29545, 30485, 33098, 34580, 35644, 40430, 41363, 41674, 43540, 44555, 56602, 59090, 60970, 66196, 76817, 80860, 82726, 82745, 83348, 89110, 104185, 113204, 115843, 118180, 121940, 141505, 145859, 153634, 165452, 165490, 178220, 206815, 208370, 231686, 270881, 283010, 291718, 307268, 330980, 384085, 395903, 413630, 416740, 463372, 537719, 541762, 566020, 579215, 583436, 729295, 768170, 791806, 827260, 1075438, 1083524, 1158430, 1354405, 1458590, 1536340, 1583612, 1896167, 1979515, 2150876, 2316860, 2688595, 2708810, 2771321, 2917180, 3792334, 3959030, 5146739, 5377190, 5417620, 5542642, 7584668, 7918060, 9480835, 10293478, 10754380, 11085284, 13856605, 18961670, 20586956, 25733695, 27713210, 36027173, 37923340, 51467390, 55426420, 72054346, 102934780, 144108692, 180135865, 360271730, 720543460]

約数ペア:

[(1, 720543460), (2, 360271730), (4, 180135865), (5, 144108692), (7, 102934780), (10, 72054346), (13, 55426420), (14, 51467390), (19, 37923340), (20, 36027173), (26, 27713210), (28, 25733695), (35, 20586956), (38, 18961670), (52, 13856605), (65, 11085284), (67, 10754380), (70, 10293478), (76, 9480835), (91, 7918060), (95, 7584668), (130, 5542642), (133, 5417620), (134, 5377190), (140, 5146739), (182, 3959030), (190, 3792334), (247, 2917180), (260, 2771321), (266, 2708810), (268, 2688595), (311, 2316860), (335, 2150876), (364, 1979515), (380, 1896167), (455, 1583612), (469, 1536340), (494, 1458590), (532, 1354405), (622, 1158430), (665, 1083524), (670, 1075438), (871, 827260), (910, 791806), (938, 768170), (988, 729295), (1235, 583436), (1244, 579215), (1273, 566020), (1330, 541762), (1340, 537719), (1555, 463372), (1729, 416740), (1742, 413630), (1820, 395903), (1876, 384085), (2177, 330980), (2345, 307268), (2470, 291718), (2546, 283010), (2660, 270881), (3110, 231686), (3458, 208370), (3484, 206815), (4043, 178220), (4354, 165490), (4355, 165452), (4690, 153634), (4940, 145859), (5092, 141505), (5909, 121940), (6097, 118180), (6220, 115843), (6365, 113204), (6916, 104185), (8086, 89110), (8645, 83348), (8708, 82745), (8710, 82726), (8911, 80860), (9380, 76817), (10885, 66196), (11818, 60970), (12194, 59090), (12730, 56602), (16172, 44555), (16549, 43540), (17290, 41674), (17420, 41363), (17822, 40430), (20215, 35644), (20837, 34580), (21770, 33098), (23636, 30485), (24388, 29545), (25460, 28301)]