64617520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 165801888

約数和(自身を除く): 101184368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 757, 776, 880, 970, 1067, 1514, 1552, 1940, 2134, 3028, 3785, 3880, 4268, 5335, 6056, 7570, 7760, 8327, 8536, 10670, 12112, 15140, 16654, 17072, 21340, 30280, 33308, 41635, 42680, 60560, 66616, 73429, 83270, 85360, 133232, 146858, 166540, 293716, 333080, 367145, 587432, 666160, 734290, 807719, 1174864, 1468580, 1615438, 2937160, 3230876, 4038595, 5874320, 6461752, 8077190, 12923504, 16154380, 32308760, 64617520]

約数ペア:

[(1, 64617520), (2, 32308760), (4, 16154380), (5, 12923504), (8, 8077190), (10, 6461752), (11, 5874320), (16, 4038595), (20, 3230876), (22, 2937160), (40, 1615438), (44, 1468580), (55, 1174864), (80, 807719), (88, 734290), (97, 666160), (110, 587432), (176, 367145), (194, 333080), (220, 293716), (388, 166540), (440, 146858), (485, 133232), (757, 85360), (776, 83270), (880, 73429), (970, 66616), (1067, 60560), (1514, 42680), (1552, 41635), (1940, 33308), (2134, 30280), (3028, 21340), (3785, 17072), (3880, 16654), (4268, 15140), (5335, 12112), (6056, 10670), (7570, 8536), (7760, 8327)]