220460080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3449}}^1$

素因数の和:3526

約数の個数: 80

約数和(自身を含む): 554428800

約数和(自身を除く): 333968720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3449, 3760, 3995, 6392, 6898, 7990, 12784, 13796, 15980, 17245, 27592, 31960, 34490, 55184, 58633, 63920, 68980, 117266, 137960, 162103, 234532, 275920, 293165, 324206, 469064, 586330, 648412, 810515, 938128, 1172660, 1296824, 1621030, 2345320, 2593648, 2755751, 3242060, 4690640, 5511502, 6484120, 11023004, 12968240, 13778755, 22046008, 27557510, 44092016, 55115020, 110230040, 220460080]

約数ペア:

[(1, 220460080), (2, 110230040), (4, 55115020), (5, 44092016), (8, 27557510), (10, 22046008), (16, 13778755), (17, 12968240), (20, 11023004), (34, 6484120), (40, 5511502), (47, 4690640), (68, 3242060), (80, 2755751), (85, 2593648), (94, 2345320), (136, 1621030), (170, 1296824), (188, 1172660), (235, 938128), (272, 810515), (340, 648412), (376, 586330), (470, 469064), (680, 324206), (752, 293165), (799, 275920), (940, 234532), (1360, 162103), (1598, 137960), (1880, 117266), (3196, 68980), (3449, 63920), (3760, 58633), (3995, 55184), (6392, 34490), (6898, 31960), (7990, 27592), (12784, 17245), (13796, 15980)]