256254390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2969}}^1$

素因数の和:3126

約数の個数: 96

約数和(自身を含む): 767257920

約数和(自身を除く): 511003530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 137, 210, 274, 315, 411, 630, 685, 822, 959, 1233, 1370, 1918, 2055, 2466, 2877, 2969, 4110, 4795, 5754, 5938, 6165, 8631, 8907, 9590, 12330, 14385, 14845, 17262, 17814, 20783, 26721, 28770, 29690, 41566, 43155, 44535, 53442, 62349, 86310, 89070, 103915, 124698, 133605, 187047, 207830, 267210, 311745, 374094, 406753, 623490, 813506, 935235, 1220259, 1870470, 2033765, 2440518, 2847271, 3660777, 4067530, 5694542, 6101295, 7321554, 8541813, 12202590, 14236355, 17083626, 18303885, 25625439, 28472710, 36607770, 42709065, 51250878, 85418130, 128127195, 256254390]

約数ペア:

[(1, 256254390), (2, 128127195), (3, 85418130), (5, 51250878), (6, 42709065), (7, 36607770), (9, 28472710), (10, 25625439), (14, 18303885), (15, 17083626), (18, 14236355), (21, 12202590), (30, 8541813), (35, 7321554), (42, 6101295), (45, 5694542), (63, 4067530), (70, 3660777), (90, 2847271), (105, 2440518), (126, 2033765), (137, 1870470), (210, 1220259), (274, 935235), (315, 813506), (411, 623490), (630, 406753), (685, 374094), (822, 311745), (959, 267210), (1233, 207830), (1370, 187047), (1918, 133605), (2055, 124698), (2466, 103915), (2877, 89070), (2969, 86310), (4110, 62349), (4795, 53442), (5754, 44535), (5938, 43155), (6165, 41566), (8631, 29690), (8907, 28770), (9590, 26721), (12330, 20783), (14385, 17814), (14845, 17262)]