78678160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3083}}^1$

素因数の和:3136

約数の個数: 80

約数和(自身を含む): 206504640

約数和(自身を除く): 127826480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3083, 3190, 5104, 6166, 6380, 12332, 12760, 15415, 24664, 25520, 30830, 33913, 49328, 61660, 67826, 89407, 123320, 135652, 169565, 178814, 246640, 271304, 339130, 357628, 447035, 542608, 678260, 715256, 894070, 983477, 1356520, 1430512, 1788140, 1966954, 2713040, 3576280, 3933908, 4917385, 7152560, 7867816, 9834770, 15735632, 19669540, 39339080, 78678160]

約数ペア:

[(1, 78678160), (2, 39339080), (4, 19669540), (5, 15735632), (8, 9834770), (10, 7867816), (11, 7152560), (16, 4917385), (20, 3933908), (22, 3576280), (29, 2713040), (40, 1966954), (44, 1788140), (55, 1430512), (58, 1356520), (80, 983477), (88, 894070), (110, 715256), (116, 678260), (145, 542608), (176, 447035), (220, 357628), (232, 339130), (290, 271304), (319, 246640), (440, 178814), (464, 169565), (580, 135652), (638, 123320), (880, 89407), (1160, 67826), (1276, 61660), (1595, 49328), (2320, 33913), (2552, 30830), (3083, 25520), (3190, 24664), (5104, 15415), (6166, 12760), (6380, 12332)]