221591520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4217

約数の個数: 144

約数和(自身を含む): 776805120

約数和(自身を除く): 555213600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 3552, 4159, 4440, 5328, 5920, 6660, 8318, 8880, 10656, 12477, 13320, 16636, 17760, 20795, 24954, 26640, 33272, 37431, 41590, 49908, 53280, 62385, 66544, 74862, 83180, 99816, 124770, 133088, 149724, 153883, 166360, 187155, 199632, 249540, 299448, 307766, 332720, 374310, 399264, 461649, 499080, 598896, 615532, 665440, 748620, 769415, 923298, 998160, 1197792, 1231064, 1384947, 1497240, 1538830, 1846596, 1996320, 2308245, 2462128, 2769894, 2994480, 3077660, 3693192, 4616490, 4924256, 5539788, 5988960, 6155320, 6924735, 7386384, 9232980, 11079576, 12310640, 13849470, 14772768, 18465960, 22159152, 24621280, 27698940, 36931920, 44318304, 55397880, 73863840, 110795760, 221591520]

約数ペア:

[(1, 221591520), (2, 110795760), (3, 73863840), (4, 55397880), (5, 44318304), (6, 36931920), (8, 27698940), (9, 24621280), (10, 22159152), (12, 18465960), (15, 14772768), (16, 13849470), (18, 12310640), (20, 11079576), (24, 9232980), (30, 7386384), (32, 6924735), (36, 6155320), (37, 5988960), (40, 5539788), (45, 4924256), (48, 4616490), (60, 3693192), (72, 3077660), (74, 2994480), (80, 2769894), (90, 2462128), (96, 2308245), (111, 1996320), (120, 1846596), (144, 1538830), (148, 1497240), (160, 1384947), (180, 1231064), (185, 1197792), (222, 998160), (240, 923298), (288, 769415), (296, 748620), (333, 665440), (360, 615532), (370, 598896), (444, 499080), (480, 461649), (555, 399264), (592, 374310), (666, 332720), (720, 307766), (740, 299448), (888, 249540), (1110, 199632), (1184, 187155), (1332, 166360), (1440, 153883), (1480, 149724), (1665, 133088), (1776, 124770), (2220, 99816), (2664, 83180), (2960, 74862), (3330, 66544), (3552, 62385), (4159, 53280), (4440, 49908), (5328, 41590), (5920, 37431), (6660, 33272), (8318, 26640), (8880, 24954), (10656, 20795), (12477, 17760), (13320, 16636)]