161885240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3793}}^1$

素因数の和:3912

約数の個数: 64

約数和(自身を含む): 401556960

約数和(自身を除く): 239671720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3793, 3880, 4268, 5335, 7586, 8536, 10670, 15172, 18965, 21340, 30344, 37930, 41723, 42680, 75860, 83446, 151720, 166892, 208615, 333784, 367921, 417230, 735842, 834460, 1471684, 1668920, 1839605, 2943368, 3679210, 4047131, 7358420, 8094262, 14716840, 16188524, 20235655, 32377048, 40471310, 80942620, 161885240]

約数ペア:

[(1, 161885240), (2, 80942620), (4, 40471310), (5, 32377048), (8, 20235655), (10, 16188524), (11, 14716840), (20, 8094262), (22, 7358420), (40, 4047131), (44, 3679210), (55, 2943368), (88, 1839605), (97, 1668920), (110, 1471684), (194, 834460), (220, 735842), (388, 417230), (440, 367921), (485, 333784), (776, 208615), (970, 166892), (1067, 151720), (1940, 83446), (2134, 75860), (3793, 42680), (3880, 41723), (4268, 37930), (5335, 30344), (7586, 21340), (8536, 18965), (10670, 15172)]