211520960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1174

約数の個数: 112

約数和(自身を含む): 582655680

約数和(自身を除く): 371134720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1061, 1120, 1246, 1424, 1780, 2122, 2240, 2492, 2848, 3115, 3560, 4244, 4984, 5305, 5696, 6230, 7120, 7427, 8488, 9968, 10610, 12460, 14240, 14854, 16976, 19936, 21220, 24920, 28480, 29708, 33952, 37135, 39872, 42440, 49840, 59416, 67904, 74270, 84880, 94429, 99680, 118832, 148540, 169760, 188858, 199360, 237664, 297080, 339520, 377716, 472145, 475328, 594160, 661003, 755432, 944290, 1188320, 1322006, 1510864, 1888580, 2376640, 2644012, 3021728, 3305015, 3777160, 5288024, 6043456, 6610030, 7554320, 10576048, 13220060, 15108640, 21152096, 26440120, 30217280, 42304192, 52880240, 105760480, 211520960]

約数ペア:

[(1, 211520960), (2, 105760480), (4, 52880240), (5, 42304192), (7, 30217280), (8, 26440120), (10, 21152096), (14, 15108640), (16, 13220060), (20, 10576048), (28, 7554320), (32, 6610030), (35, 6043456), (40, 5288024), (56, 3777160), (64, 3305015), (70, 3021728), (80, 2644012), (89, 2376640), (112, 1888580), (140, 1510864), (160, 1322006), (178, 1188320), (224, 944290), (280, 755432), (320, 661003), (356, 594160), (445, 475328), (448, 472145), (560, 377716), (623, 339520), (712, 297080), (890, 237664), (1061, 199360), (1120, 188858), (1246, 169760), (1424, 148540), (1780, 118832), (2122, 99680), (2240, 94429), (2492, 84880), (2848, 74270), (3115, 67904), (3560, 59416), (4244, 49840), (4984, 42440), (5305, 39872), (5696, 37135), (6230, 33952), (7120, 29708), (7427, 28480), (8488, 24920), (9968, 21220), (10610, 19936), (12460, 16976), (14240, 14854)]