20148282720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{53201}}^1$

素因数の和:53485

約数の個数: 144

約数和(自身を含む): 69018741792

約数和(自身を除く): 48870459072

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 263, 288, 360, 480, 526, 720, 789, 1052, 1315, 1440, 1578, 2104, 2367, 2630, 3156, 3945, 4208, 4734, 5260, 6312, 7890, 8416, 9468, 10520, 11835, 12624, 15780, 18936, 21040, 23670, 25248, 31560, 37872, 42080, 47340, 53201, 63120, 75744, 94680, 106402, 126240, 159603, 189360, 212804, 266005, 319206, 378720, 425608, 478809, 532010, 638412, 798015, 851216, 957618, 1064020, 1276824, 1596030, 1702432, 1915236, 2128040, 2394045, 2553648, 3192060, 3830472, 4256080, 4788090, 5107296, 6384120, 7660944, 8512160, 9576180, 12768240, 13991863, 15321888, 19152360, 25536480, 27983726, 38304720, 41975589, 55967452, 69959315, 76609440, 83951178, 111934904, 125926767, 139918630, 167902356, 209877945, 223869808, 251853534, 279837260, 335804712, 419755890, 447739616, 503707068, 559674520, 629633835, 671609424, 839511780, 1007414136, 1119349040, 1259267670, 1343218848, 1679023560, 2014828272, 2238698080, 2518535340, 3358047120, 4029656544, 5037070680, 6716094240, 10074141360, 20148282720]

約数ペア:

[(1, 20148282720), (2, 10074141360), (3, 6716094240), (4, 5037070680), (5, 4029656544), (6, 3358047120), (8, 2518535340), (9, 2238698080), (10, 2014828272), (12, 1679023560), (15, 1343218848), (16, 1259267670), (18, 1119349040), (20, 1007414136), (24, 839511780), (30, 671609424), (32, 629633835), (36, 559674520), (40, 503707068), (45, 447739616), (48, 419755890), (60, 335804712), (72, 279837260), (80, 251853534), (90, 223869808), (96, 209877945), (120, 167902356), (144, 139918630), (160, 125926767), (180, 111934904), (240, 83951178), (263, 76609440), (288, 69959315), (360, 55967452), (480, 41975589), (526, 38304720), (720, 27983726), (789, 25536480), (1052, 19152360), (1315, 15321888), (1440, 13991863), (1578, 12768240), (2104, 9576180), (2367, 8512160), (2630, 7660944), (3156, 6384120), (3945, 5107296), (4208, 4788090), (4734, 4256080), (5260, 3830472), (6312, 3192060), (7890, 2553648), (8416, 2394045), (9468, 2128040), (10520, 1915236), (11835, 1702432), (12624, 1596030), (15780, 1276824), (18936, 1064020), (21040, 957618), (23670, 851216), (25248, 798015), (31560, 638412), (37872, 532010), (42080, 478809), (47340, 425608), (53201, 378720), (63120, 319206), (75744, 266005), (94680, 212804), (106402, 189360), (126240, 159603)]