648996528

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1621}}^1$

素因数の和:2090

約数の個数: 80

約数和(自身を含む): 1769926400

約数和(自身を除く): 1120929872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 439, 456, 878, 912, 1317, 1621, 1756, 2634, 3242, 3512, 4863, 5268, 6484, 7024, 8341, 9726, 10536, 12968, 16682, 19452, 21072, 25023, 25936, 30799, 33364, 38904, 50046, 61598, 66728, 77808, 92397, 100092, 123196, 133456, 184794, 200184, 246392, 369588, 400368, 492784, 711619, 739176, 1423238, 1478352, 2134857, 2846476, 4269714, 5692952, 8539428, 11385904, 13520761, 17078856, 27041522, 34157712, 40562283, 54083044, 81124566, 108166088, 162249132, 216332176, 324498264, 648996528]

約数ペア:

[(1, 648996528), (2, 324498264), (3, 216332176), (4, 162249132), (6, 108166088), (8, 81124566), (12, 54083044), (16, 40562283), (19, 34157712), (24, 27041522), (38, 17078856), (48, 13520761), (57, 11385904), (76, 8539428), (114, 5692952), (152, 4269714), (228, 2846476), (304, 2134857), (439, 1478352), (456, 1423238), (878, 739176), (912, 711619), (1317, 492784), (1621, 400368), (1756, 369588), (2634, 246392), (3242, 200184), (3512, 184794), (4863, 133456), (5268, 123196), (6484, 100092), (7024, 92397), (8341, 77808), (9726, 66728), (10536, 61598), (12968, 50046), (16682, 38904), (19452, 33364), (21072, 30799), (25023, 25936)]