331947520

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1171

約数の個数: 80

約数和(自身を含む): 802948608

約数和(自身を除く): 471001088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1021, 1270, 1280, 2032, 2042, 2540, 2560, 4064, 4084, 5080, 5105, 8128, 8168, 10160, 10210, 16256, 16336, 20320, 20420, 32512, 32672, 40640, 40840, 65024, 65344, 81280, 81680, 129667, 130688, 162560, 163360, 259334, 261376, 325120, 326720, 518668, 522752, 648335, 653440, 1037336, 1296670, 1306880, 2074672, 2593340, 2613760, 4149344, 5186680, 8298688, 10373360, 16597376, 20746720, 33194752, 41493440, 66389504, 82986880, 165973760, 331947520]

約数ペア:

[(1, 331947520), (2, 165973760), (4, 82986880), (5, 66389504), (8, 41493440), (10, 33194752), (16, 20746720), (20, 16597376), (32, 10373360), (40, 8298688), (64, 5186680), (80, 4149344), (127, 2613760), (128, 2593340), (160, 2074672), (254, 1306880), (256, 1296670), (320, 1037336), (508, 653440), (512, 648335), (635, 522752), (640, 518668), (1016, 326720), (1021, 325120), (1270, 261376), (1280, 259334), (2032, 163360), (2042, 162560), (2540, 130688), (2560, 129667), (4064, 81680), (4084, 81280), (5080, 65344), (5105, 65024), (8128, 40840), (8168, 40640), (10160, 32672), (10210, 32512), (16256, 20420), (16336, 20320)]