15640306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 14219534

約数列:

[1, 2, 11, 17, 19, 22, 31, 34, 38, 62, 71, 142, 187, 209, 323, 341, 374, 418, 527, 589, 646, 682, 781, 1054, 1178, 1207, 1349, 1562, 2201, 2414, 2698, 3553, 4402, 5797, 6479, 7106, 10013, 11594, 12958, 13277, 14839, 20026, 22933, 24211, 26554, 29678, 37417, 41819, 45866, 48422, 74834, 83638, 110143, 220286, 252263, 411587, 460009, 504526, 710923, 823174, 920018, 1421846, 7820153, 15640306]

約数ペア:

[(1, 15640306), (2, 7820153), (11, 1421846), (17, 920018), (19, 823174), (22, 710923), (31, 504526), (34, 460009), (38, 411587), (62, 252263), (71, 220286), (142, 110143), (187, 83638), (209, 74834), (323, 48422), (341, 45866), (374, 41819), (418, 37417), (527, 29678), (589, 26554), (646, 24211), (682, 22933), (781, 20026), (1054, 14839), (1178, 13277), (1207, 12958), (1349, 11594), (1562, 10013), (2201, 7106), (2414, 6479), (2698, 5797), (3553, 4402)]