80020836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18679}}^1$

素因数の和:18713

約数の個数: 72

約数和(自身を含む): 244782720

約数和(自身を除く): 164761884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 18679, 37358, 56037, 74716, 112074, 130753, 168111, 224148, 261506, 317543, 336222, 392259, 523012, 635086, 672444, 784518, 952629, 1176777, 1270172, 1569036, 1905258, 2222801, 2353554, 2857887, 3810516, 4445602, 4707108, 5715774, 6668403, 8891204, 11431548, 13336806, 20005209, 26673612, 40010418, 80020836]

約数ペア:

[(1, 80020836), (2, 40010418), (3, 26673612), (4, 20005209), (6, 13336806), (7, 11431548), (9, 8891204), (12, 6668403), (14, 5715774), (17, 4707108), (18, 4445602), (21, 3810516), (28, 2857887), (34, 2353554), (36, 2222801), (42, 1905258), (51, 1569036), (63, 1270172), (68, 1176777), (84, 952629), (102, 784518), (119, 672444), (126, 635086), (153, 523012), (204, 392259), (238, 336222), (252, 317543), (306, 261506), (357, 224148), (476, 168111), (612, 130753), (714, 112074), (1071, 74716), (1428, 56037), (2142, 37358), (4284, 18679)]