16915120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 42586560

約数和(自身を除く): 25671440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 317, 368, 460, 464, 580, 634, 667, 920, 1160, 1268, 1334, 1585, 1840, 2320, 2536, 2668, 3170, 3335, 5072, 5336, 6340, 6670, 7291, 9193, 10672, 12680, 13340, 14582, 18386, 25360, 26680, 29164, 36455, 36772, 45965, 53360, 58328, 72910, 73544, 91930, 116656, 145820, 147088, 183860, 211439, 291640, 367720, 422878, 583280, 735440, 845756, 1057195, 1691512, 2114390, 3383024, 4228780, 8457560, 16915120]

約数ペア:

[(1, 16915120), (2, 8457560), (4, 4228780), (5, 3383024), (8, 2114390), (10, 1691512), (16, 1057195), (20, 845756), (23, 735440), (29, 583280), (40, 422878), (46, 367720), (58, 291640), (80, 211439), (92, 183860), (115, 147088), (116, 145820), (145, 116656), (184, 91930), (230, 73544), (232, 72910), (290, 58328), (317, 53360), (368, 45965), (460, 36772), (464, 36455), (580, 29164), (634, 26680), (667, 25360), (920, 18386), (1160, 14582), (1268, 13340), (1334, 12680), (1585, 10672), (1840, 9193), (2320, 7291), (2536, 6670), (2668, 6340), (3170, 5336), (3335, 5072)]