20987587080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{14983}}^1$

素因数の和:16300

約数の個数: 128

約数和(自身を含む): 70017235200

約数和(自身を除く): 49029648120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1297, 2594, 3891, 5188, 6485, 7782, 10376, 11673, 12970, 14983, 15564, 19455, 23346, 25940, 29966, 31128, 35019, 38910, 44949, 46692, 51880, 58365, 59932, 70038, 74915, 77820, 89898, 93384, 116730, 119864, 134847, 140076, 149830, 155640, 175095, 179796, 224745, 233460, 269694, 280152, 299660, 350190, 359592, 404541, 449490, 466920, 539388, 599320, 674235, 700380, 809082, 898980, 1078776, 1348470, 1400760, 1618164, 1797960, 2022705, 2696940, 3236328, 4045410, 5393880, 8090820, 16181640, 19432951, 38865902, 58298853, 77731804, 97164755, 116597706, 155463608, 174896559, 194329510, 233195412, 291494265, 349793118, 388659020, 466390824, 524689677, 582988530, 699586236, 777318040, 874482795, 1049379354, 1165977060, 1399172472, 1748965590, 2098758708, 2331954120, 2623448385, 3497931180, 4197517416, 5246896770, 6995862360, 10493793540, 20987587080]

約数ペア:

[(1, 20987587080), (2, 10493793540), (3, 6995862360), (4, 5246896770), (5, 4197517416), (6, 3497931180), (8, 2623448385), (9, 2331954120), (10, 2098758708), (12, 1748965590), (15, 1399172472), (18, 1165977060), (20, 1049379354), (24, 874482795), (27, 777318040), (30, 699586236), (36, 582988530), (40, 524689677), (45, 466390824), (54, 388659020), (60, 349793118), (72, 291494265), (90, 233195412), (108, 194329510), (120, 174896559), (135, 155463608), (180, 116597706), (216, 97164755), (270, 77731804), (360, 58298853), (540, 38865902), (1080, 19432951), (1297, 16181640), (2594, 8090820), (3891, 5393880), (5188, 4045410), (6485, 3236328), (7782, 2696940), (10376, 2022705), (11673, 1797960), (12970, 1618164), (14983, 1400760), (15564, 1348470), (19455, 1078776), (23346, 898980), (25940, 809082), (29966, 700380), (31128, 674235), (35019, 599320), (38910, 539388), (44949, 466920), (46692, 449490), (51880, 404541), (58365, 359592), (59932, 350190), (70038, 299660), (74915, 280152), (77820, 269694), (89898, 233460), (93384, 224745), (116730, 179796), (119864, 175095), (134847, 155640), (140076, 149830)]