21506761440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4978417}}^1$

素因数の和:4978441

約数の個数: 96

約数和(自身を含む): 75273680160

約数和(自身を除く): 53766918720

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, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4978417, 9956834, 14935251, 19913668, 24892085, 29870502, 39827336, 44805753, 49784170, 59741004, 74676255, 79654672, 89611506, 99568340, 119482008, 134417259, 149352510, 159309344, 179223012, 199136680, 224028765, 238964016, 268834518, 298705020, 358446024, 398273360, 448057530, 477928032, 537669036, 597410040, 672086295, 716892048, 796546720, 896115060, 1075338072, 1194820080, 1344172590, 1433784096, 1792230120, 2150676144, 2389640160, 2688345180, 3584460240, 4301352288, 5376690360, 7168920480, 10753380720, 21506761440]

約数ペア:

[(1, 21506761440), (2, 10753380720), (3, 7168920480), (4, 5376690360), (5, 4301352288), (6, 3584460240), (8, 2688345180), (9, 2389640160), (10, 2150676144), (12, 1792230120), (15, 1433784096), (16, 1344172590), (18, 1194820080), (20, 1075338072), (24, 896115060), (27, 796546720), (30, 716892048), (32, 672086295), (36, 597410040), (40, 537669036), (45, 477928032), (48, 448057530), (54, 398273360), (60, 358446024), (72, 298705020), (80, 268834518), (90, 238964016), (96, 224028765), (108, 199136680), (120, 179223012), (135, 159309344), (144, 149352510), (160, 134417259), (180, 119482008), (216, 99568340), (240, 89611506), (270, 79654672), (288, 74676255), (360, 59741004), (432, 49784170), (480, 44805753), (540, 39827336), (720, 29870502), (864, 24892085), (1080, 19913668), (1440, 14935251), (2160, 9956834), (4320, 4978417)]