123217812

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1193}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 330308160

約数和(自身を除く): 207090348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 228, 302, 342, 453, 604, 684, 906, 1193, 1359, 1812, 2386, 2718, 2869, 3579, 4772, 5436, 5738, 7158, 8607, 10737, 11476, 14316, 17214, 21474, 22667, 25821, 34428, 42948, 45334, 51642, 68001, 90668, 103284, 136002, 180143, 204003, 272004, 360286, 408006, 540429, 720572, 816012, 1080858, 1621287, 2161716, 3242574, 3422717, 6485148, 6845434, 10268151, 13690868, 20536302, 30804453, 41072604, 61608906, 123217812]

約数ペア:

[(1, 123217812), (2, 61608906), (3, 41072604), (4, 30804453), (6, 20536302), (9, 13690868), (12, 10268151), (18, 6845434), (19, 6485148), (36, 3422717), (38, 3242574), (57, 2161716), (76, 1621287), (114, 1080858), (151, 816012), (171, 720572), (228, 540429), (302, 408006), (342, 360286), (453, 272004), (604, 204003), (684, 180143), (906, 136002), (1193, 103284), (1359, 90668), (1812, 68001), (2386, 51642), (2718, 45334), (2869, 42948), (3579, 34428), (4772, 25821), (5436, 22667), (5738, 21474), (7158, 17214), (8607, 14316), (10737, 11476)]