138121920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 168

約数和(自身を含む): 479450400

約数和(自身を除く): 341328480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 199, 240, 241, 288, 320, 360, 398, 480, 482, 576, 597, 720, 723, 796, 960, 964, 995, 1194, 1205, 1440, 1446, 1592, 1791, 1928, 1990, 2169, 2388, 2410, 2880, 2892, 2985, 3184, 3582, 3615, 3856, 3980, 4338, 4776, 4820, 5784, 5970, 6368, 7164, 7230, 7712, 7960, 8676, 8955, 9552, 9640, 10845, 11568, 11940, 12736, 14328, 14460, 15424, 15920, 17352, 17910, 19104, 19280, 21690, 23136, 23880, 28656, 28920, 31840, 34704, 35820, 38208, 38560, 43380, 46272, 47760, 47959, 57312, 57840, 63680, 69408, 71640, 77120, 86760, 95520, 95918, 114624, 115680, 138816, 143280, 143877, 173520, 191040, 191836, 231360, 239795, 286560, 287754, 347040, 383672, 431631, 479590, 573120, 575508, 694080, 719385, 767344, 863262, 959180, 1151016, 1438770, 1534688, 1726524, 1918360, 2158155, 2302032, 2877540, 3069376, 3453048, 3836720, 4316310, 4604064, 5755080, 6906096, 7673440, 8632620, 9208128, 11510160, 13812192, 15346880, 17265240, 23020320, 27624384, 34530480, 46040640, 69060960, 138121920]

約数ペア:

[(1, 138121920), (2, 69060960), (3, 46040640), (4, 34530480), (5, 27624384), (6, 23020320), (8, 17265240), (9, 15346880), (10, 13812192), (12, 11510160), (15, 9208128), (16, 8632620), (18, 7673440), (20, 6906096), (24, 5755080), (30, 4604064), (32, 4316310), (36, 3836720), (40, 3453048), (45, 3069376), (48, 2877540), (60, 2302032), (64, 2158155), (72, 1918360), (80, 1726524), (90, 1534688), (96, 1438770), (120, 1151016), (144, 959180), (160, 863262), (180, 767344), (192, 719385), (199, 694080), (240, 575508), (241, 573120), (288, 479590), (320, 431631), (360, 383672), (398, 347040), (480, 287754), (482, 286560), (576, 239795), (597, 231360), (720, 191836), (723, 191040), (796, 173520), (960, 143877), (964, 143280), (995, 138816), (1194, 115680), (1205, 114624), (1440, 95918), (1446, 95520), (1592, 86760), (1791, 77120), (1928, 71640), (1990, 69408), (2169, 63680), (2388, 57840), (2410, 57312), (2880, 47959), (2892, 47760), (2985, 46272), (3184, 43380), (3582, 38560), (3615, 38208), (3856, 35820), (3980, 34704), (4338, 31840), (4776, 28920), (4820, 28656), (5784, 23880), (5970, 23136), (6368, 21690), (7164, 19280), (7230, 19104), (7712, 17910), (7960, 17352), (8676, 15920), (8955, 15424), (9552, 14460), (9640, 14328), (10845, 12736), (11568, 11940)]