2721636

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 7600320

約数和(自身を除く): 4878684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 173, 207, 228, 276, 342, 346, 414, 437, 519, 684, 692, 828, 874, 1038, 1311, 1557, 1748, 2076, 2622, 3114, 3287, 3933, 3979, 5244, 6228, 6574, 7866, 7958, 9861, 11937, 13148, 15732, 15916, 19722, 23874, 29583, 35811, 39444, 47748, 59166, 71622, 75601, 118332, 143244, 151202, 226803, 302404, 453606, 680409, 907212, 1360818, 2721636]

約数ペア:

[(1, 2721636), (2, 1360818), (3, 907212), (4, 680409), (6, 453606), (9, 302404), (12, 226803), (18, 151202), (19, 143244), (23, 118332), (36, 75601), (38, 71622), (46, 59166), (57, 47748), (69, 39444), (76, 35811), (92, 29583), (114, 23874), (138, 19722), (171, 15916), (173, 15732), (207, 13148), (228, 11937), (276, 9861), (342, 7958), (346, 7866), (414, 6574), (437, 6228), (519, 5244), (684, 3979), (692, 3933), (828, 3287), (874, 3114), (1038, 2622), (1311, 2076), (1557, 1748)]