219387420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:609

約数の個数: 192

約数和(自身を含む): 787906560

約数和(自身を除く): 568519140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 127, 135, 140, 180, 189, 210, 252, 254, 270, 315, 378, 381, 420, 457, 508, 540, 630, 635, 756, 762, 889, 914, 945, 1143, 1260, 1270, 1371, 1524, 1778, 1828, 1890, 1905, 2285, 2286, 2540, 2667, 2742, 3199, 3429, 3556, 3780, 3810, 4113, 4445, 4570, 4572, 5334, 5484, 5715, 6398, 6855, 6858, 7620, 8001, 8226, 8890, 9140, 9597, 10668, 11430, 12339, 12796, 13335, 13710, 13716, 15995, 16002, 16452, 17145, 17780, 19194, 20565, 22860, 24003, 24678, 26670, 27420, 28791, 31990, 32004, 34290, 38388, 40005, 41130, 47985, 48006, 49356, 53340, 57582, 58039, 61695, 63980, 68580, 80010, 82260, 86373, 95970, 96012, 115164, 116078, 120015, 123390, 143955, 160020, 172746, 174117, 191940, 232156, 240030, 246780, 287910, 290195, 345492, 348234, 406273, 431865, 480060, 522351, 575820, 580390, 696468, 812546, 863730, 870585, 1044702, 1160780, 1218819, 1567053, 1625092, 1727460, 1741170, 2031365, 2089404, 2437638, 2611755, 3134106, 3482340, 3656457, 4062730, 4875276, 5223510, 6094095, 6268212, 7312914, 7835265, 8125460, 10447020, 10969371, 12188190, 14625828, 15670530, 18282285, 21938742, 24376380, 31341060, 36564570, 43877484, 54846855, 73129140, 109693710, 219387420]

約数ペア:

[(1, 219387420), (2, 109693710), (3, 73129140), (4, 54846855), (5, 43877484), (6, 36564570), (7, 31341060), (9, 24376380), (10, 21938742), (12, 18282285), (14, 15670530), (15, 14625828), (18, 12188190), (20, 10969371), (21, 10447020), (27, 8125460), (28, 7835265), (30, 7312914), (35, 6268212), (36, 6094095), (42, 5223510), (45, 4875276), (54, 4062730), (60, 3656457), (63, 3482340), (70, 3134106), (84, 2611755), (90, 2437638), (105, 2089404), (108, 2031365), (126, 1741170), (127, 1727460), (135, 1625092), (140, 1567053), (180, 1218819), (189, 1160780), (210, 1044702), (252, 870585), (254, 863730), (270, 812546), (315, 696468), (378, 580390), (381, 575820), (420, 522351), (457, 480060), (508, 431865), (540, 406273), (630, 348234), (635, 345492), (756, 290195), (762, 287910), (889, 246780), (914, 240030), (945, 232156), (1143, 191940), (1260, 174117), (1270, 172746), (1371, 160020), (1524, 143955), (1778, 123390), (1828, 120015), (1890, 116078), (1905, 115164), (2285, 96012), (2286, 95970), (2540, 86373), (2667, 82260), (2742, 80010), (3199, 68580), (3429, 63980), (3556, 61695), (3780, 58039), (3810, 57582), (4113, 53340), (4445, 49356), (4570, 48006), (4572, 47985), (5334, 41130), (5484, 40005), (5715, 38388), (6398, 34290), (6855, 32004), (6858, 31990), (7620, 28791), (8001, 27420), (8226, 26670), (8890, 24678), (9140, 24003), (9597, 22860), (10668, 20565), (11430, 19194), (12339, 17780), (12796, 17145), (13335, 16452), (13710, 16002), (13716, 15995)]