161712720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 240

約数和(自身を含む): 604514880

約数和(自身を除く): 442802160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 443, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 886, 936, 1014, 1040, 1080, 1170, 1329, 1352, 1404, 1521, 1560, 1690, 1755, 1772, 1872, 2028, 2160, 2215, 2340, 2535, 2658, 2704, 2808, 3042, 3120, 3380, 3510, 3544, 3987, 4056, 4430, 4563, 4680, 5070, 5316, 5616, 5759, 6084, 6645, 6760, 7020, 7088, 7605, 7974, 8112, 8860, 9126, 9360, 10140, 10632, 11518, 11961, 12168, 13290, 13520, 14040, 15210, 15948, 17277, 17720, 18252, 19935, 20280, 21264, 22815, 23036, 23922, 24336, 26580, 28080, 28795, 30420, 31896, 34554, 35440, 36504, 39870, 40560, 45630, 46072, 47844, 51831, 53160, 57590, 59805, 60840, 63792, 69108, 73008, 74867, 79740, 86385, 91260, 92144, 95688, 103662, 106320, 115180, 119610, 121680, 138216, 149734, 155493, 159480, 172770, 182520, 191376, 207324, 224601, 230360, 239220, 259155, 276432, 299468, 310986, 318960, 345540, 365040, 374335, 414648, 449202, 460720, 478440, 518310, 598936, 621972, 673803, 691080, 748670, 777465, 829296, 898404, 956880, 1036620, 1123005, 1197872, 1243944, 1347606, 1382160, 1497340, 1554930, 1796808, 2021409, 2073240, 2246010, 2487888, 2695212, 2994680, 3109860, 3369015, 3593616, 4042818, 4146480, 4492020, 5390424, 5989360, 6219720, 6738030, 8085636, 8984040, 10107045, 10780848, 12439440, 13476060, 16171272, 17968080, 20214090, 26952120, 32342544, 40428180, 53904240, 80856360, 161712720]

約数ペア:

[(1, 161712720), (2, 80856360), (3, 53904240), (4, 40428180), (5, 32342544), (6, 26952120), (8, 20214090), (9, 17968080), (10, 16171272), (12, 13476060), (13, 12439440), (15, 10780848), (16, 10107045), (18, 8984040), (20, 8085636), (24, 6738030), (26, 6219720), (27, 5989360), (30, 5390424), (36, 4492020), (39, 4146480), (40, 4042818), (45, 3593616), (48, 3369015), (52, 3109860), (54, 2994680), (60, 2695212), (65, 2487888), (72, 2246010), (78, 2073240), (80, 2021409), (90, 1796808), (104, 1554930), (108, 1497340), (117, 1382160), (120, 1347606), (130, 1243944), (135, 1197872), (144, 1123005), (156, 1036620), (169, 956880), (180, 898404), (195, 829296), (208, 777465), (216, 748670), (234, 691080), (240, 673803), (260, 621972), (270, 598936), (312, 518310), (338, 478440), (351, 460720), (360, 449202), (390, 414648), (432, 374335), (443, 365040), (468, 345540), (507, 318960), (520, 310986), (540, 299468), (585, 276432), (624, 259155), (676, 239220), (702, 230360), (720, 224601), (780, 207324), (845, 191376), (886, 182520), (936, 172770), (1014, 159480), (1040, 155493), (1080, 149734), (1170, 138216), (1329, 121680), (1352, 119610), (1404, 115180), (1521, 106320), (1560, 103662), (1690, 95688), (1755, 92144), (1772, 91260), (1872, 86385), (2028, 79740), (2160, 74867), (2215, 73008), (2340, 69108), (2535, 63792), (2658, 60840), (2704, 59805), (2808, 57590), (3042, 53160), (3120, 51831), (3380, 47844), (3510, 46072), (3544, 45630), (3987, 40560), (4056, 39870), (4430, 36504), (4563, 35440), (4680, 34554), (5070, 31896), (5316, 30420), (5616, 28795), (5759, 28080), (6084, 26580), (6645, 24336), (6760, 23922), (7020, 23036), (7088, 22815), (7605, 21264), (7974, 20280), (8112, 19935), (8860, 18252), (9126, 17720), (9360, 17277), (10140, 15948), (10632, 15210), (11518, 14040), (11961, 13520), (12168, 13290)]