7761880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 21024000

約数和(自身を除く): 13262120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1459, 2660, 2918, 5320, 5836, 7295, 10213, 11672, 14590, 20426, 27721, 29180, 40852, 51065, 55442, 58360, 81704, 102130, 110884, 138605, 194047, 204260, 221768, 277210, 388094, 408520, 554420, 776188, 970235, 1108840, 1552376, 1940470, 3880940, 7761880]

約数ペア:

[(1, 7761880), (2, 3880940), (4, 1940470), (5, 1552376), (7, 1108840), (8, 970235), (10, 776188), (14, 554420), (19, 408520), (20, 388094), (28, 277210), (35, 221768), (38, 204260), (40, 194047), (56, 138605), (70, 110884), (76, 102130), (95, 81704), (133, 58360), (140, 55442), (152, 51065), (190, 40852), (266, 29180), (280, 27721), (380, 20426), (532, 14590), (665, 11672), (760, 10213), (1064, 7295), (1330, 5836), (1459, 5320), (2660, 2918)]