645980160

素因数分解:

$2^{13}\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 224

約数和(自身を含む): 2365443072

約数和(自身を除く): 1719462912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 751, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1502, 1536, 1680, 1792, 1920, 2048, 2240, 2253, 2560, 2688, 3004, 3072, 3360, 3584, 3755, 3840, 4096, 4480, 4506, 5120, 5257, 5376, 6008, 6144, 6720, 7168, 7510, 7680, 8192, 8960, 9012, 10240, 10514, 10752, 11265, 12016, 12288, 13440, 14336, 15020, 15360, 15771, 17920, 18024, 20480, 21028, 21504, 22530, 24032, 24576, 26285, 26880, 28672, 30040, 30720, 31542, 35840, 36048, 40960, 42056, 43008, 45060, 48064, 52570, 53760, 57344, 60080, 61440, 63084, 71680, 72096, 78855, 84112, 86016, 90120, 96128, 105140, 107520, 120160, 122880, 126168, 143360, 144192, 157710, 168224, 172032, 180240, 192256, 210280, 215040, 240320, 252336, 286720, 288384, 315420, 336448, 360480, 384512, 420560, 430080, 480640, 504672, 576768, 630840, 672896, 720960, 769024, 841120, 860160, 961280, 1009344, 1153536, 1261680, 1345792, 1441920, 1538048, 1682240, 1922560, 2018688, 2307072, 2523360, 2691584, 2883840, 3076096, 3364480, 3845120, 4037376, 4614144, 5046720, 5383168, 5767680, 6152192, 6728960, 7690240, 8074752, 9228288, 10093440, 10766336, 11535360, 13457920, 15380480, 16149504, 18456576, 20186880, 21532672, 23070720, 26915840, 30760960, 32299008, 40373760, 43065344, 46141440, 53831680, 64598016, 80747520, 92282880, 107663360, 129196032, 161495040, 215326720, 322990080, 645980160]

約数ペア:

[(1, 645980160), (2, 322990080), (3, 215326720), (4, 161495040), (5, 129196032), (6, 107663360), (7, 92282880), (8, 80747520), (10, 64598016), (12, 53831680), (14, 46141440), (15, 43065344), (16, 40373760), (20, 32299008), (21, 30760960), (24, 26915840), (28, 23070720), (30, 21532672), (32, 20186880), (35, 18456576), (40, 16149504), (42, 15380480), (48, 13457920), (56, 11535360), (60, 10766336), (64, 10093440), (70, 9228288), (80, 8074752), (84, 7690240), (96, 6728960), (105, 6152192), (112, 5767680), (120, 5383168), (128, 5046720), (140, 4614144), (160, 4037376), (168, 3845120), (192, 3364480), (210, 3076096), (224, 2883840), (240, 2691584), (256, 2523360), (280, 2307072), (320, 2018688), (336, 1922560), (384, 1682240), (420, 1538048), (448, 1441920), (480, 1345792), (512, 1261680), (560, 1153536), (640, 1009344), (672, 961280), (751, 860160), (768, 841120), (840, 769024), (896, 720960), (960, 672896), (1024, 630840), (1120, 576768), (1280, 504672), (1344, 480640), (1502, 430080), (1536, 420560), (1680, 384512), (1792, 360480), (1920, 336448), (2048, 315420), (2240, 288384), (2253, 286720), (2560, 252336), (2688, 240320), (3004, 215040), (3072, 210280), (3360, 192256), (3584, 180240), (3755, 172032), (3840, 168224), (4096, 157710), (4480, 144192), (4506, 143360), (5120, 126168), (5257, 122880), (5376, 120160), (6008, 107520), (6144, 105140), (6720, 96128), (7168, 90120), (7510, 86016), (7680, 84112), (8192, 78855), (8960, 72096), (9012, 71680), (10240, 63084), (10514, 61440), (10752, 60080), (11265, 57344), (12016, 53760), (12288, 52570), (13440, 48064), (14336, 45060), (15020, 43008), (15360, 42056), (15771, 40960), (17920, 36048), (18024, 35840), (20480, 31542), (21028, 30720), (21504, 30040), (22530, 28672), (24032, 26880), (24576, 26285)]