191507680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 144

約数和(自身を含む): 567090720

約数和(自身を除く): 375583040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1879, 1960, 2080, 2548, 2912, 3185, 3640, 3758, 3920, 5096, 6370, 7280, 7516, 7840, 9395, 10192, 12740, 13153, 14560, 15032, 18790, 20384, 24427, 25480, 26306, 30064, 37580, 48854, 50960, 52612, 60128, 65765, 75160, 92071, 97708, 101920, 105224, 122135, 131530, 150320, 170989, 184142, 195416, 210448, 244270, 263060, 300640, 341978, 368284, 390832, 420896, 460355, 488540, 526120, 683956, 736568, 781664, 854945, 920710, 977080, 1052240, 1196923, 1367912, 1473136, 1709890, 1841420, 1954160, 2104480, 2393846, 2735824, 2946272, 3419780, 3682840, 3908320, 4787692, 5471648, 5984615, 6839560, 7365680, 9575384, 11969230, 13679120, 14731360, 19150768, 23938460, 27358240, 38301536, 47876920, 95753840, 191507680]

約数ペア:

[(1, 191507680), (2, 95753840), (4, 47876920), (5, 38301536), (7, 27358240), (8, 23938460), (10, 19150768), (13, 14731360), (14, 13679120), (16, 11969230), (20, 9575384), (26, 7365680), (28, 6839560), (32, 5984615), (35, 5471648), (40, 4787692), (49, 3908320), (52, 3682840), (56, 3419780), (65, 2946272), (70, 2735824), (80, 2393846), (91, 2104480), (98, 1954160), (104, 1841420), (112, 1709890), (130, 1473136), (140, 1367912), (160, 1196923), (182, 1052240), (196, 977080), (208, 920710), (224, 854945), (245, 781664), (260, 736568), (280, 683956), (364, 526120), (392, 488540), (416, 460355), (455, 420896), (490, 390832), (520, 368284), (560, 341978), (637, 300640), (728, 263060), (784, 244270), (910, 210448), (980, 195416), (1040, 184142), (1120, 170989), (1274, 150320), (1456, 131530), (1568, 122135), (1820, 105224), (1879, 101920), (1960, 97708), (2080, 92071), (2548, 75160), (2912, 65765), (3185, 60128), (3640, 52612), (3758, 50960), (3920, 48854), (5096, 37580), (6370, 30064), (7280, 26306), (7516, 25480), (7840, 24427), (9395, 20384), (10192, 18790), (12740, 15032), (13153, 14560)]