215216520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77977}}^1$

素因数の和:78014

約数の個数: 64

約数和(自身を含む): 673729920

約数和(自身を除く): 458513400

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, 77977, 155954, 233931, 311908, 389885, 467862, 623816, 779770, 935724, 1169655, 1559540, 1793471, 1871448, 2339310, 3119080, 3586942, 4678620, 5380413, 7173884, 8967355, 9357240, 10760826, 14347768, 17934710, 21521652, 26902065, 35869420, 43043304, 53804130, 71738840, 107608260, 215216520]

約数ペア:

[(1, 215216520), (2, 107608260), (3, 71738840), (4, 53804130), (5, 43043304), (6, 35869420), (8, 26902065), (10, 21521652), (12, 17934710), (15, 14347768), (20, 10760826), (23, 9357240), (24, 8967355), (30, 7173884), (40, 5380413), (46, 4678620), (60, 3586942), (69, 3119080), (92, 2339310), (115, 1871448), (120, 1793471), (138, 1559540), (184, 1169655), (230, 935724), (276, 779770), (345, 623816), (460, 467862), (552, 389885), (690, 311908), (920, 233931), (1380, 155954), (2760, 77977)]