64563280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1696

約数の個数: 80

約数和(自身を含む): 164520720

約数和(自身を除く): 99957440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1637, 1972, 2320, 2465, 3274, 3944, 4930, 6548, 7888, 8185, 9860, 13096, 16370, 19720, 26192, 27829, 32740, 39440, 47473, 55658, 65480, 94946, 111316, 130960, 139145, 189892, 222632, 237365, 278290, 379784, 445264, 474730, 556580, 759568, 807041, 949460, 1113160, 1614082, 1898920, 2226320, 3228164, 3797840, 4035205, 6456328, 8070410, 12912656, 16140820, 32281640, 64563280]

約数ペア:

[(1, 64563280), (2, 32281640), (4, 16140820), (5, 12912656), (8, 8070410), (10, 6456328), (16, 4035205), (17, 3797840), (20, 3228164), (29, 2226320), (34, 1898920), (40, 1614082), (58, 1113160), (68, 949460), (80, 807041), (85, 759568), (116, 556580), (136, 474730), (145, 445264), (170, 379784), (232, 278290), (272, 237365), (290, 222632), (340, 189892), (464, 139145), (493, 130960), (580, 111316), (680, 94946), (986, 65480), (1160, 55658), (1360, 47473), (1637, 39440), (1972, 32740), (2320, 27829), (2465, 26192), (3274, 19720), (3944, 16370), (4930, 13096), (6548, 9860), (7888, 8185)]