20078400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 168

約数和(自身を含む): 68031360

約数和(自身を除く): 47952960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 47, 48, 50, 60, 64, 75, 80, 89, 94, 96, 100, 120, 141, 150, 160, 178, 188, 192, 200, 235, 240, 267, 282, 300, 320, 356, 376, 400, 445, 470, 480, 534, 564, 600, 705, 712, 752, 800, 890, 940, 960, 1068, 1128, 1175, 1200, 1335, 1410, 1424, 1504, 1600, 1780, 1880, 2136, 2225, 2256, 2350, 2400, 2670, 2820, 2848, 3008, 3525, 3560, 3760, 4183, 4272, 4450, 4512, 4700, 4800, 5340, 5640, 5696, 6675, 7050, 7120, 7520, 8366, 8544, 8900, 9024, 9400, 10680, 11280, 12549, 13350, 14100, 14240, 15040, 16732, 17088, 17800, 18800, 20915, 21360, 22560, 25098, 26700, 28200, 28480, 33464, 35600, 37600, 41830, 42720, 45120, 50196, 53400, 56400, 62745, 66928, 71200, 75200, 83660, 85440, 100392, 104575, 106800, 112800, 125490, 133856, 142400, 167320, 200784, 209150, 213600, 225600, 250980, 267712, 313725, 334640, 401568, 418300, 427200, 501960, 627450, 669280, 803136, 836600, 1003920, 1254900, 1338560, 1673200, 2007840, 2509800, 3346400, 4015680, 5019600, 6692800, 10039200, 20078400]

約数ペア:

[(1, 20078400), (2, 10039200), (3, 6692800), (4, 5019600), (5, 4015680), (6, 3346400), (8, 2509800), (10, 2007840), (12, 1673200), (15, 1338560), (16, 1254900), (20, 1003920), (24, 836600), (25, 803136), (30, 669280), (32, 627450), (40, 501960), (47, 427200), (48, 418300), (50, 401568), (60, 334640), (64, 313725), (75, 267712), (80, 250980), (89, 225600), (94, 213600), (96, 209150), (100, 200784), (120, 167320), (141, 142400), (150, 133856), (160, 125490), (178, 112800), (188, 106800), (192, 104575), (200, 100392), (235, 85440), (240, 83660), (267, 75200), (282, 71200), (300, 66928), (320, 62745), (356, 56400), (376, 53400), (400, 50196), (445, 45120), (470, 42720), (480, 41830), (534, 37600), (564, 35600), (600, 33464), (705, 28480), (712, 28200), (752, 26700), (800, 25098), (890, 22560), (940, 21360), (960, 20915), (1068, 18800), (1128, 17800), (1175, 17088), (1200, 16732), (1335, 15040), (1410, 14240), (1424, 14100), (1504, 13350), (1600, 12549), (1780, 11280), (1880, 10680), (2136, 9400), (2225, 9024), (2256, 8900), (2350, 8544), (2400, 8366), (2670, 7520), (2820, 7120), (2848, 7050), (3008, 6675), (3525, 5696), (3560, 5640), (3760, 5340), (4183, 4800), (4272, 4700), (4450, 4512)]