120505980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15101}}^1$

素因数の和:15139

約数の個数: 96

約数和(自身を含む): 405941760

約数和(自身を除く): 285435780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 15101, 30202, 45303, 60404, 75505, 90606, 105707, 151010, 181212, 211414, 226515, 286919, 302020, 317121, 422828, 453030, 528535, 573838, 634242, 860757, 906060, 1057070, 1147676, 1268484, 1434595, 1585605, 1721514, 2008433, 2114140, 2869190, 3171210, 3443028, 4016866, 4303785, 5738380, 6025299, 6342420, 8033732, 8607570, 10042165, 12050598, 17215140, 20084330, 24101196, 30126495, 40168660, 60252990, 120505980]

約数ペア:

[(1, 120505980), (2, 60252990), (3, 40168660), (4, 30126495), (5, 24101196), (6, 20084330), (7, 17215140), (10, 12050598), (12, 10042165), (14, 8607570), (15, 8033732), (19, 6342420), (20, 6025299), (21, 5738380), (28, 4303785), (30, 4016866), (35, 3443028), (38, 3171210), (42, 2869190), (57, 2114140), (60, 2008433), (70, 1721514), (76, 1585605), (84, 1434595), (95, 1268484), (105, 1147676), (114, 1057070), (133, 906060), (140, 860757), (190, 634242), (210, 573838), (228, 528535), (266, 453030), (285, 422828), (380, 317121), (399, 302020), (420, 286919), (532, 226515), (570, 211414), (665, 181212), (798, 151010), (1140, 105707), (1330, 90606), (1596, 75505), (1995, 60404), (2660, 45303), (3990, 30202), (7980, 15101)]