381478560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:907

約数の個数: 144

約数和(自身を含む): 1243172448

約数和(自身を除く): 861693888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 827, 930, 961, 992, 1240, 1488, 1654, 1860, 1922, 2480, 2481, 2883, 2976, 3308, 3720, 3844, 4135, 4805, 4960, 4962, 5766, 6616, 7440, 7688, 8270, 9610, 9924, 11532, 12405, 13232, 14415, 14880, 15376, 16540, 19220, 19848, 23064, 24810, 25637, 26464, 28830, 30752, 33080, 38440, 39696, 46128, 49620, 51274, 57660, 66160, 76880, 76911, 79392, 92256, 99240, 102548, 115320, 128185, 132320, 153760, 153822, 198480, 205096, 230640, 256370, 307644, 384555, 396960, 410192, 461280, 512740, 615288, 769110, 794747, 820384, 1025480, 1230576, 1538220, 1589494, 2050960, 2384241, 2461152, 3076440, 3178988, 3973735, 4101920, 4768482, 6152880, 6357976, 7947470, 9536964, 11921205, 12305760, 12715952, 15894940, 19073928, 23842410, 25431904, 31789880, 38147856, 47684820, 63579760, 76295712, 95369640, 127159520, 190739280, 381478560]

約数ペア:

[(1, 381478560), (2, 190739280), (3, 127159520), (4, 95369640), (5, 76295712), (6, 63579760), (8, 47684820), (10, 38147856), (12, 31789880), (15, 25431904), (16, 23842410), (20, 19073928), (24, 15894940), (30, 12715952), (31, 12305760), (32, 11921205), (40, 9536964), (48, 7947470), (60, 6357976), (62, 6152880), (80, 4768482), (93, 4101920), (96, 3973735), (120, 3178988), (124, 3076440), (155, 2461152), (160, 2384241), (186, 2050960), (240, 1589494), (248, 1538220), (310, 1230576), (372, 1025480), (465, 820384), (480, 794747), (496, 769110), (620, 615288), (744, 512740), (827, 461280), (930, 410192), (961, 396960), (992, 384555), (1240, 307644), (1488, 256370), (1654, 230640), (1860, 205096), (1922, 198480), (2480, 153822), (2481, 153760), (2883, 132320), (2976, 128185), (3308, 115320), (3720, 102548), (3844, 99240), (4135, 92256), (4805, 79392), (4960, 76911), (4962, 76880), (5766, 66160), (6616, 57660), (7440, 51274), (7688, 49620), (8270, 46128), (9610, 39696), (9924, 38440), (11532, 33080), (12405, 30752), (13232, 28830), (14415, 26464), (14880, 25637), (15376, 24810), (16540, 23064), (19220, 19848)]