168899840

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 408145920

約数和(自身を除く): 239246080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1039, 1270, 1280, 2032, 2078, 2540, 4064, 4156, 5080, 5195, 8128, 8312, 10160, 10390, 16256, 16624, 20320, 20780, 32512, 33248, 40640, 41560, 66496, 81280, 83120, 131953, 132992, 162560, 166240, 263906, 265984, 332480, 527812, 659765, 664960, 1055624, 1319530, 1329920, 2111248, 2639060, 4222496, 5278120, 8444992, 10556240, 16889984, 21112480, 33779968, 42224960, 84449920, 168899840]

約数ペア:

[(1, 168899840), (2, 84449920), (4, 42224960), (5, 33779968), (8, 21112480), (10, 16889984), (16, 10556240), (20, 8444992), (32, 5278120), (40, 4222496), (64, 2639060), (80, 2111248), (127, 1329920), (128, 1319530), (160, 1055624), (254, 664960), (256, 659765), (320, 527812), (508, 332480), (635, 265984), (640, 263906), (1016, 166240), (1039, 162560), (1270, 132992), (1280, 131953), (2032, 83120), (2078, 81280), (2540, 66496), (4064, 41560), (4156, 40640), (5080, 33248), (5195, 32512), (8128, 20780), (8312, 20320), (10160, 16624), (10390, 16256)]