20180520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1979

約数の個数: 96

約数和(自身を含む): 67883400

約数和(自身を除く): 47702880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 1933, 2088, 2610, 3480, 3866, 5220, 5799, 7732, 9665, 10440, 11598, 15464, 17397, 19330, 23196, 28995, 34794, 38660, 46392, 56057, 57990, 69588, 77320, 86985, 112114, 115980, 139176, 168171, 173970, 224228, 231960, 280285, 336342, 347940, 448456, 504513, 560570, 672684, 695880, 840855, 1009026, 1121140, 1345368, 1681710, 2018052, 2242280, 2522565, 3363420, 4036104, 5045130, 6726840, 10090260, 20180520]

約数ペア:

[(1, 20180520), (2, 10090260), (3, 6726840), (4, 5045130), (5, 4036104), (6, 3363420), (8, 2522565), (9, 2242280), (10, 2018052), (12, 1681710), (15, 1345368), (18, 1121140), (20, 1009026), (24, 840855), (29, 695880), (30, 672684), (36, 560570), (40, 504513), (45, 448456), (58, 347940), (60, 336342), (72, 280285), (87, 231960), (90, 224228), (116, 173970), (120, 168171), (145, 139176), (174, 115980), (180, 112114), (232, 86985), (261, 77320), (290, 69588), (348, 57990), (360, 56057), (435, 46392), (522, 38660), (580, 34794), (696, 28995), (870, 23196), (1044, 19330), (1160, 17397), (1305, 15464), (1740, 11598), (1933, 10440), (2088, 9665), (2610, 7732), (3480, 5799), (3866, 5220)]