247707720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5881}}^1$

素因数の和:5917

約数の個数: 160

約数和(自身を含む): 896769720

約数和(自身を除く): 649062000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 5881, 7020, 8424, 10530, 11762, 14040, 17643, 21060, 23524, 29405, 35286, 42120, 47048, 52929, 58810, 70572, 76453, 88215, 105858, 117620, 141144, 152906, 158787, 176430, 211716, 229359, 235240, 264645, 305812, 317574, 352860, 382265, 423432, 458718, 476361, 529290, 611624, 635148, 688077, 705720, 764530, 793935, 917436, 952722, 1058580, 1146795, 1270296, 1376154, 1529060, 1587870, 1834872, 1905444, 2064231, 2117160, 2293590, 2381805, 2752308, 3058120, 3175740, 3440385, 3810888, 4128462, 4587180, 4763610, 5504616, 6192693, 6351480, 6880770, 8256924, 9174360, 9527220, 10321155, 12385386, 13761540, 16513848, 19054440, 20642310, 24770772, 27523080, 30963465, 41284620, 49541544, 61926930, 82569240, 123853860, 247707720]

約数ペア:

[(1, 247707720), (2, 123853860), (3, 82569240), (4, 61926930), (5, 49541544), (6, 41284620), (8, 30963465), (9, 27523080), (10, 24770772), (12, 20642310), (13, 19054440), (15, 16513848), (18, 13761540), (20, 12385386), (24, 10321155), (26, 9527220), (27, 9174360), (30, 8256924), (36, 6880770), (39, 6351480), (40, 6192693), (45, 5504616), (52, 4763610), (54, 4587180), (60, 4128462), (65, 3810888), (72, 3440385), (78, 3175740), (81, 3058120), (90, 2752308), (104, 2381805), (108, 2293590), (117, 2117160), (120, 2064231), (130, 1905444), (135, 1834872), (156, 1587870), (162, 1529060), (180, 1376154), (195, 1270296), (216, 1146795), (234, 1058580), (260, 952722), (270, 917436), (312, 793935), (324, 764530), (351, 705720), (360, 688077), (390, 635148), (405, 611624), (468, 529290), (520, 476361), (540, 458718), (585, 423432), (648, 382265), (702, 352860), (780, 317574), (810, 305812), (936, 264645), (1053, 235240), (1080, 229359), (1170, 211716), (1404, 176430), (1560, 158787), (1620, 152906), (1755, 141144), (2106, 117620), (2340, 105858), (2808, 88215), (3240, 76453), (3510, 70572), (4212, 58810), (4680, 52929), (5265, 47048), (5881, 42120), (7020, 35286), (8424, 29405), (10530, 23524), (11762, 21060), (14040, 17643)]