67968880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2477}}^1$

素因数の和:2511

約数の個数: 80

約数和(自身を含む): 184363200

約数和(自身を除く): 116394320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2477, 2744, 3430, 3920, 4954, 5488, 6860, 9908, 12385, 13720, 17339, 19816, 24770, 27440, 34678, 39632, 49540, 69356, 86695, 99080, 121373, 138712, 173390, 198160, 242746, 277424, 346780, 485492, 606865, 693560, 849611, 970984, 1213730, 1387120, 1699222, 1941968, 2427460, 3398444, 4248055, 4854920, 6796888, 8496110, 9709840, 13593776, 16992220, 33984440, 67968880]

約数ペア:

[(1, 67968880), (2, 33984440), (4, 16992220), (5, 13593776), (7, 9709840), (8, 8496110), (10, 6796888), (14, 4854920), (16, 4248055), (20, 3398444), (28, 2427460), (35, 1941968), (40, 1699222), (49, 1387120), (56, 1213730), (70, 970984), (80, 849611), (98, 693560), (112, 606865), (140, 485492), (196, 346780), (245, 277424), (280, 242746), (343, 198160), (392, 173390), (490, 138712), (560, 121373), (686, 99080), (784, 86695), (980, 69356), (1372, 49540), (1715, 39632), (1960, 34678), (2477, 27440), (2744, 24770), (3430, 19816), (3920, 17339), (4954, 13720), (5488, 12385), (6860, 9908)]