261563040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:532

約数の個数: 192

約数和(自身を含む): 923166720

約数和(自身を除く): 661603680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 191, 216, 240, 270, 288, 317, 360, 382, 432, 480, 540, 573, 634, 720, 764, 864, 951, 955, 1080, 1146, 1268, 1440, 1528, 1585, 1719, 1902, 1910, 2160, 2292, 2536, 2853, 2865, 3056, 3170, 3438, 3804, 3820, 4320, 4584, 4755, 5072, 5157, 5706, 5730, 6112, 6340, 6876, 7608, 7640, 8559, 8595, 9168, 9510, 10144, 10314, 11412, 11460, 12680, 13752, 14265, 15216, 15280, 17118, 17190, 18336, 19020, 20628, 22824, 22920, 25360, 25785, 27504, 28530, 30432, 30560, 34236, 34380, 38040, 41256, 42795, 45648, 45840, 50720, 51570, 55008, 57060, 60547, 68472, 68760, 76080, 82512, 85590, 91296, 91680, 103140, 114120, 121094, 136944, 137520, 152160, 165024, 171180, 181641, 206280, 228240, 242188, 273888, 275040, 302735, 342360, 363282, 412560, 456480, 484376, 544923, 605470, 684720, 726564, 825120, 908205, 968752, 1089846, 1210940, 1369440, 1453128, 1634769, 1816410, 1937504, 2179692, 2421880, 2724615, 2906256, 3269538, 3632820, 4359384, 4843760, 5449230, 5812512, 6539076, 7265640, 8173845, 8718768, 9687520, 10898460, 13078152, 14531280, 16347690, 17437536, 21796920, 26156304, 29062560, 32695380, 43593840, 52312608, 65390760, 87187680, 130781520, 261563040]

約数ペア:

[(1, 261563040), (2, 130781520), (3, 87187680), (4, 65390760), (5, 52312608), (6, 43593840), (8, 32695380), (9, 29062560), (10, 26156304), (12, 21796920), (15, 17437536), (16, 16347690), (18, 14531280), (20, 13078152), (24, 10898460), (27, 9687520), (30, 8718768), (32, 8173845), (36, 7265640), (40, 6539076), (45, 5812512), (48, 5449230), (54, 4843760), (60, 4359384), (72, 3632820), (80, 3269538), (90, 2906256), (96, 2724615), (108, 2421880), (120, 2179692), (135, 1937504), (144, 1816410), (160, 1634769), (180, 1453128), (191, 1369440), (216, 1210940), (240, 1089846), (270, 968752), (288, 908205), (317, 825120), (360, 726564), (382, 684720), (432, 605470), (480, 544923), (540, 484376), (573, 456480), (634, 412560), (720, 363282), (764, 342360), (864, 302735), (951, 275040), (955, 273888), (1080, 242188), (1146, 228240), (1268, 206280), (1440, 181641), (1528, 171180), (1585, 165024), (1719, 152160), (1902, 137520), (1910, 136944), (2160, 121094), (2292, 114120), (2536, 103140), (2853, 91680), (2865, 91296), (3056, 85590), (3170, 82512), (3438, 76080), (3804, 68760), (3820, 68472), (4320, 60547), (4584, 57060), (4755, 55008), (5072, 51570), (5157, 50720), (5706, 45840), (5730, 45648), (6112, 42795), (6340, 41256), (6876, 38040), (7608, 34380), (7640, 34236), (8559, 30560), (8595, 30432), (9168, 28530), (9510, 27504), (10144, 25785), (10314, 25360), (11412, 22920), (11460, 22824), (12680, 20628), (13752, 19020), (14265, 18336), (15216, 17190), (15280, 17118)]