20172649680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{89513}}^1$

素因数の和:89845

約数の個数: 120

約数和(自身を含む): 67963683528

約数和(自身を除く): 47791033848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 360, 626, 720, 939, 1252, 1565, 1878, 2504, 2817, 3130, 3756, 4695, 5008, 5634, 6260, 7512, 9390, 11268, 12520, 14085, 15024, 18780, 22536, 25040, 28170, 37560, 45072, 56340, 75120, 89513, 112680, 179026, 225360, 268539, 358052, 447565, 537078, 716104, 805617, 895130, 1074156, 1342695, 1432208, 1611234, 1790260, 2148312, 2685390, 3222468, 3580520, 4028085, 4296624, 5370780, 6444936, 7161040, 8056170, 10741560, 12889872, 16112340, 21483120, 28017569, 32224680, 56035138, 64449360, 84052707, 112070276, 140087845, 168105414, 224140552, 252158121, 280175690, 336210828, 420263535, 448281104, 504316242, 560351380, 672421656, 840527070, 1008632484, 1120702760, 1260790605, 1344843312, 1681054140, 2017264968, 2241405520, 2521581210, 3362108280, 4034529936, 5043162420, 6724216560, 10086324840, 20172649680]

約数ペア:

[(1, 20172649680), (2, 10086324840), (3, 6724216560), (4, 5043162420), (5, 4034529936), (6, 3362108280), (8, 2521581210), (9, 2241405520), (10, 2017264968), (12, 1681054140), (15, 1344843312), (16, 1260790605), (18, 1120702760), (20, 1008632484), (24, 840527070), (30, 672421656), (36, 560351380), (40, 504316242), (45, 448281104), (48, 420263535), (60, 336210828), (72, 280175690), (80, 252158121), (90, 224140552), (120, 168105414), (144, 140087845), (180, 112070276), (240, 84052707), (313, 64449360), (360, 56035138), (626, 32224680), (720, 28017569), (939, 21483120), (1252, 16112340), (1565, 12889872), (1878, 10741560), (2504, 8056170), (2817, 7161040), (3130, 6444936), (3756, 5370780), (4695, 4296624), (5008, 4028085), (5634, 3580520), (6260, 3222468), (7512, 2685390), (9390, 2148312), (11268, 1790260), (12520, 1611234), (14085, 1432208), (15024, 1342695), (18780, 1074156), (22536, 895130), (25040, 805617), (28170, 716104), (37560, 537078), (45072, 447565), (56340, 358052), (75120, 268539), (89513, 225360), (112680, 179026)]