20751487200

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{320239}}^1$

素因数の和:320271

約数の個数: 180

約数和(自身を含む): 75676875120

約数和(自身を除く): 54925387920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 324, 360, 400, 405, 432, 450, 480, 540, 600, 648, 675, 720, 800, 810, 864, 900, 1080, 1200, 1296, 1350, 1440, 1620, 1800, 2025, 2160, 2400, 2592, 2700, 3240, 3600, 4050, 4320, 5400, 6480, 7200, 8100, 10800, 12960, 16200, 21600, 32400, 64800, 320239, 640478, 960717, 1280956, 1601195, 1921434, 2561912, 2882151, 3202390, 3842868, 4803585, 5123824, 5764302, 6404780, 7685736, 8005975, 8646453, 9607170, 10247648, 11528604, 12809560, 14410755, 15371472, 16011950, 17292906, 19214340, 23057208, 24017925, 25619120, 25939359, 28821510, 30742944, 32023900, 34585812, 38428680, 43232265, 46114416, 48035850, 51238240, 51878718, 57643020, 64047800, 69171624, 72053775, 76857360, 86464530, 92228832, 96071700, 103757436, 115286040, 128095600, 129696795, 138343248, 144107550, 153714720, 172929060, 192143400, 207514872, 216161325, 230572080, 256191200, 259393590, 276686496, 288215100, 345858120, 384286800, 415029744, 432322650, 461144160, 518787180, 576430200, 648483975, 691716240, 768573600, 830059488, 864645300, 1037574360, 1152860400, 1296967950, 1383432480, 1729290600, 2075148720, 2305720800, 2593935900, 3458581200, 4150297440, 5187871800, 6917162400, 10375743600, 20751487200]

約数ペア:

[(1, 20751487200), (2, 10375743600), (3, 6917162400), (4, 5187871800), (5, 4150297440), (6, 3458581200), (8, 2593935900), (9, 2305720800), (10, 2075148720), (12, 1729290600), (15, 1383432480), (16, 1296967950), (18, 1152860400), (20, 1037574360), (24, 864645300), (25, 830059488), (27, 768573600), (30, 691716240), (32, 648483975), (36, 576430200), (40, 518787180), (45, 461144160), (48, 432322650), (50, 415029744), (54, 384286800), (60, 345858120), (72, 288215100), (75, 276686496), (80, 259393590), (81, 256191200), (90, 230572080), (96, 216161325), (100, 207514872), (108, 192143400), (120, 172929060), (135, 153714720), (144, 144107550), (150, 138343248), (160, 129696795), (162, 128095600), (180, 115286040), (200, 103757436), (216, 96071700), (225, 92228832), (240, 86464530), (270, 76857360), (288, 72053775), (300, 69171624), (324, 64047800), (360, 57643020), (400, 51878718), (405, 51238240), (432, 48035850), (450, 46114416), (480, 43232265), (540, 38428680), (600, 34585812), (648, 32023900), (675, 30742944), (720, 28821510), (800, 25939359), (810, 25619120), (864, 24017925), (900, 23057208), (1080, 19214340), (1200, 17292906), (1296, 16011950), (1350, 15371472), (1440, 14410755), (1620, 12809560), (1800, 11528604), (2025, 10247648), (2160, 9607170), (2400, 8646453), (2592, 8005975), (2700, 7685736), (3240, 6404780), (3600, 5764302), (4050, 5123824), (4320, 4803585), (5400, 3842868), (6480, 3202390), (7200, 2882151), (8100, 2561912), (10800, 1921434), (12960, 1601195), (16200, 1280956), (21600, 960717), (32400, 640478), (64800, 320239)]