326806280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 753166080

約数和(自身を除く): 426359800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 244, 302, 305, 488, 604, 610, 755, 887, 1208, 1220, 1510, 1774, 2440, 3020, 3548, 4435, 6040, 7096, 8870, 9211, 17740, 18422, 35480, 36844, 46055, 54107, 73688, 92110, 108214, 133937, 184220, 216428, 267874, 270535, 368440, 432856, 535748, 541070, 669685, 1071496, 1082140, 1339370, 2164280, 2678740, 5357480, 8170157, 16340314, 32680628, 40850785, 65361256, 81701570, 163403140, 326806280]

約数ペア:

[(1, 326806280), (2, 163403140), (4, 81701570), (5, 65361256), (8, 40850785), (10, 32680628), (20, 16340314), (40, 8170157), (61, 5357480), (122, 2678740), (151, 2164280), (244, 1339370), (302, 1082140), (305, 1071496), (488, 669685), (604, 541070), (610, 535748), (755, 432856), (887, 368440), (1208, 270535), (1220, 267874), (1510, 216428), (1774, 184220), (2440, 133937), (3020, 108214), (3548, 92110), (4435, 73688), (6040, 54107), (7096, 46055), (8870, 36844), (9211, 35480), (17740, 18422)]