210855720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 664899840

約数和(自身を除く): 454044120

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, 241, 276, 317, 345, 460, 482, 552, 634, 690, 723, 920, 951, 964, 1205, 1268, 1380, 1446, 1585, 1902, 1928, 2410, 2536, 2760, 2892, 3170, 3615, 3804, 4755, 4820, 5543, 5784, 6340, 7230, 7291, 7608, 9510, 9640, 11086, 12680, 14460, 14582, 16629, 19020, 21873, 22172, 27715, 28920, 29164, 33258, 36455, 38040, 43746, 44344, 55430, 58328, 66516, 72910, 76397, 83145, 87492, 109365, 110860, 133032, 145820, 152794, 166290, 174984, 218730, 221720, 229191, 291640, 305588, 332580, 381985, 437460, 458382, 611176, 665160, 763970, 874920, 916764, 1145955, 1527940, 1757131, 1833528, 2291910, 3055880, 3514262, 4583820, 5271393, 7028524, 8785655, 9167640, 10542786, 14057048, 17571310, 21085572, 26356965, 35142620, 42171144, 52713930, 70285240, 105427860, 210855720]

約数ペア:

[(1, 210855720), (2, 105427860), (3, 70285240), (4, 52713930), (5, 42171144), (6, 35142620), (8, 26356965), (10, 21085572), (12, 17571310), (15, 14057048), (20, 10542786), (23, 9167640), (24, 8785655), (30, 7028524), (40, 5271393), (46, 4583820), (60, 3514262), (69, 3055880), (92, 2291910), (115, 1833528), (120, 1757131), (138, 1527940), (184, 1145955), (230, 916764), (241, 874920), (276, 763970), (317, 665160), (345, 611176), (460, 458382), (482, 437460), (552, 381985), (634, 332580), (690, 305588), (723, 291640), (920, 229191), (951, 221720), (964, 218730), (1205, 174984), (1268, 166290), (1380, 152794), (1446, 145820), (1585, 133032), (1902, 110860), (1928, 109365), (2410, 87492), (2536, 83145), (2760, 76397), (2892, 72910), (3170, 66516), (3615, 58328), (3804, 55430), (4755, 44344), (4820, 43746), (5543, 38040), (5784, 36455), (6340, 33258), (7230, 29164), (7291, 28920), (7608, 27715), (9510, 22172), (9640, 21873), (11086, 19020), (12680, 16629), (14460, 14582)]