261777720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94847}}^1$

素因数の和:94884

約数の個数: 64

約数和(自身を含む): 819486720

約数和(自身を除く): 557709000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 94847, 189694, 284541, 379388, 474235, 569082, 758776, 948470, 1138164, 1422705, 1896940, 2181481, 2276328, 2845410, 3793880, 4362962, 5690820, 6544443, 8725924, 10907405, 11381640, 13088886, 17451848, 21814810, 26177772, 32722215, 43629620, 52355544, 65444430, 87259240, 130888860, 261777720]

約数ペア:

[(1, 261777720), (2, 130888860), (3, 87259240), (4, 65444430), (5, 52355544), (6, 43629620), (8, 32722215), (10, 26177772), (12, 21814810), (15, 17451848), (20, 13088886), (23, 11381640), (24, 10907405), (30, 8725924), (40, 6544443), (46, 5690820), (60, 4362962), (69, 3793880), (92, 2845410), (115, 2276328), (120, 2181481), (138, 1896940), (184, 1422705), (230, 1138164), (276, 948470), (345, 758776), (460, 569082), (552, 474235), (690, 379388), (920, 284541), (1380, 189694), (2760, 94847)]