204516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 611520

約数和(自身を除く): 407004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 36, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 117, 138, 156, 171, 207, 228, 234, 247, 276, 299, 342, 414, 437, 468, 494, 598, 684, 741, 828, 874, 897, 988, 1196, 1311, 1482, 1748, 1794, 2223, 2622, 2691, 2964, 3588, 3933, 4446, 5244, 5382, 5681, 7866, 8892, 10764, 11362, 15732, 17043, 22724, 34086, 51129, 68172, 102258, 204516]

約数ペア:

[(1, 204516), (2, 102258), (3, 68172), (4, 51129), (6, 34086), (9, 22724), (12, 17043), (13, 15732), (18, 11362), (19, 10764), (23, 8892), (26, 7866), (36, 5681), (38, 5382), (39, 5244), (46, 4446), (52, 3933), (57, 3588), (69, 2964), (76, 2691), (78, 2622), (92, 2223), (114, 1794), (117, 1748), (138, 1482), (156, 1311), (171, 1196), (207, 988), (228, 897), (234, 874), (247, 828), (276, 741), (299, 684), (342, 598), (414, 494), (437, 468)]