20257788480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{490741}}^1$

素因数の和:490804

約数の個数: 112

約数和(自身を含む): 65814391104

約数和(自身を除く): 45556602624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 2064, 2580, 2752, 3440, 4128, 5160, 6880, 8256, 10320, 13760, 20640, 41280, 490741, 981482, 1472223, 1962964, 2453705, 2944446, 3925928, 4907410, 5888892, 7361115, 7851856, 9814820, 11777784, 14722230, 15703712, 19629640, 21101863, 23555568, 29444460, 31407424, 39259280, 42203726, 47111136, 58888920, 63305589, 78518560, 84407452, 94222272, 105509315, 117777840, 126611178, 157037120, 168814904, 211018630, 235555680, 253222356, 316527945, 337629808, 422037260, 471111360, 506444712, 633055890, 675259616, 844074520, 1012889424, 1266111780, 1350519232, 1688149040, 2025778848, 2532223560, 3376298080, 4051557696, 5064447120, 6752596160, 10128894240, 20257788480]

約数ペア:

[(1, 20257788480), (2, 10128894240), (3, 6752596160), (4, 5064447120), (5, 4051557696), (6, 3376298080), (8, 2532223560), (10, 2025778848), (12, 1688149040), (15, 1350519232), (16, 1266111780), (20, 1012889424), (24, 844074520), (30, 675259616), (32, 633055890), (40, 506444712), (43, 471111360), (48, 422037260), (60, 337629808), (64, 316527945), (80, 253222356), (86, 235555680), (96, 211018630), (120, 168814904), (129, 157037120), (160, 126611178), (172, 117777840), (192, 105509315), (215, 94222272), (240, 84407452), (258, 78518560), (320, 63305589), (344, 58888920), (430, 47111136), (480, 42203726), (516, 39259280), (645, 31407424), (688, 29444460), (860, 23555568), (960, 21101863), (1032, 19629640), (1290, 15703712), (1376, 14722230), (1720, 11777784), (2064, 9814820), (2580, 7851856), (2752, 7361115), (3440, 5888892), (4128, 4907410), (5160, 3925928), (6880, 2944446), (8256, 2453705), (10320, 1962964), (13760, 1472223), (20640, 981482), (41280, 490741)]