1280268

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 3656016

約数和(自身を除く): 2375748

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 61, 66, 99, 106, 122, 132, 159, 183, 198, 212, 244, 318, 366, 396, 477, 549, 583, 636, 671, 732, 954, 1098, 1166, 1342, 1749, 1908, 2013, 2196, 2332, 2684, 3233, 3498, 4026, 5247, 6039, 6466, 6996, 8052, 9699, 10494, 12078, 12932, 19398, 20988, 24156, 29097, 35563, 38796, 58194, 71126, 106689, 116388, 142252, 213378, 320067, 426756, 640134, 1280268]

約数ペア:

[(1, 1280268), (2, 640134), (3, 426756), (4, 320067), (6, 213378), (9, 142252), (11, 116388), (12, 106689), (18, 71126), (22, 58194), (33, 38796), (36, 35563), (44, 29097), (53, 24156), (61, 20988), (66, 19398), (99, 12932), (106, 12078), (122, 10494), (132, 9699), (159, 8052), (183, 6996), (198, 6466), (212, 6039), (244, 5247), (318, 4026), (366, 3498), (396, 3233), (477, 2684), (549, 2332), (583, 2196), (636, 2013), (671, 1908), (732, 1749), (954, 1342), (1098, 1166)]