202428800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1329

約数の個数: 144

約数和(自身を含む): 582155820

約数和(自身を除く): 379727020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1291, 1400, 1568, 1600, 1960, 2240, 2450, 2582, 2800, 3136, 3200, 3920, 4480, 4900, 5164, 5600, 6272, 6455, 7840, 9037, 9800, 10328, 11200, 12910, 15680, 18074, 19600, 20656, 22400, 25820, 31360, 32275, 36148, 39200, 41312, 45185, 51640, 63259, 64550, 72296, 78400, 82624, 90370, 103280, 126518, 129100, 144592, 156800, 165248, 180740, 206560, 225925, 253036, 258200, 289184, 316295, 361480, 413120, 451850, 506072, 516400, 578368, 632590, 722960, 826240, 903700, 1012144, 1032800, 1156736, 1265180, 1445920, 1581475, 1807400, 2024288, 2065600, 2530360, 2891840, 3162950, 3614800, 4048576, 4131200, 5060720, 5783680, 6325900, 7229600, 8097152, 10121440, 12651800, 14459200, 20242880, 25303600, 28918400, 40485760, 50607200, 101214400, 202428800]

約数ペア:

[(1, 202428800), (2, 101214400), (4, 50607200), (5, 40485760), (7, 28918400), (8, 25303600), (10, 20242880), (14, 14459200), (16, 12651800), (20, 10121440), (25, 8097152), (28, 7229600), (32, 6325900), (35, 5783680), (40, 5060720), (49, 4131200), (50, 4048576), (56, 3614800), (64, 3162950), (70, 2891840), (80, 2530360), (98, 2065600), (100, 2024288), (112, 1807400), (128, 1581475), (140, 1445920), (160, 1265180), (175, 1156736), (196, 1032800), (200, 1012144), (224, 903700), (245, 826240), (280, 722960), (320, 632590), (350, 578368), (392, 516400), (400, 506072), (448, 451850), (490, 413120), (560, 361480), (640, 316295), (700, 289184), (784, 258200), (800, 253036), (896, 225925), (980, 206560), (1120, 180740), (1225, 165248), (1291, 156800), (1400, 144592), (1568, 129100), (1600, 126518), (1960, 103280), (2240, 90370), (2450, 82624), (2582, 78400), (2800, 72296), (3136, 64550), (3200, 63259), (3920, 51640), (4480, 45185), (4900, 41312), (5164, 39200), (5600, 36148), (6272, 32275), (6455, 31360), (7840, 25820), (9037, 22400), (9800, 20656), (10328, 19600), (11200, 18074), (12910, 15680)]