80940258

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 72

約数和(自身を含む): 205618608

約数和(自身を除く): 124678350

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 163, 294, 326, 441, 489, 563, 882, 978, 1126, 1141, 1467, 1689, 2282, 2934, 3378, 3423, 3941, 5067, 6846, 7882, 7987, 10134, 10269, 11823, 15974, 20538, 23646, 23961, 27587, 35469, 47922, 55174, 70938, 71883, 82761, 91769, 143766, 165522, 183538, 248283, 275307, 496566, 550614, 642383, 825921, 1284766, 1651842, 1927149, 3854298, 4496681, 5781447, 8993362, 11562894, 13490043, 26980086, 40470129, 80940258]

約数ペア:

[(1, 80940258), (2, 40470129), (3, 26980086), (6, 13490043), (7, 11562894), (9, 8993362), (14, 5781447), (18, 4496681), (21, 3854298), (42, 1927149), (49, 1651842), (63, 1284766), (98, 825921), (126, 642383), (147, 550614), (163, 496566), (294, 275307), (326, 248283), (441, 183538), (489, 165522), (563, 143766), (882, 91769), (978, 82761), (1126, 71883), (1141, 70938), (1467, 55174), (1689, 47922), (2282, 35469), (2934, 27587), (3378, 23961), (3423, 23646), (3941, 20538), (5067, 15974), (6846, 11823), (7882, 10269), (7987, 10134)]