90212670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 255744000

約数和(自身を除く): 165531330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 73, 90, 115, 135, 138, 146, 199, 207, 219, 230, 270, 345, 365, 398, 414, 438, 597, 621, 657, 690, 730, 995, 1035, 1095, 1194, 1242, 1314, 1679, 1791, 1971, 1990, 2070, 2190, 2985, 3105, 3285, 3358, 3582, 3942, 4577, 5037, 5373, 5970, 6210, 6570, 8395, 8955, 9154, 9855, 10074, 10746, 13731, 14527, 15111, 16790, 17910, 19710, 22885, 25185, 26865, 27462, 29054, 30222, 41193, 43581, 45333, 45770, 50370, 53730, 68655, 72635, 75555, 82386, 87162, 90666, 123579, 130743, 137310, 145270, 151110, 205965, 217905, 226665, 247158, 261486, 334121, 392229, 411930, 435810, 453330, 617895, 653715, 668242, 784458, 1002363, 1235790, 1307430, 1670605, 1961145, 2004726, 3007089, 3341210, 3922290, 5011815, 6014178, 9021267, 10023630, 15035445, 18042534, 30070890, 45106335, 90212670]

約数ペア:

[(1, 90212670), (2, 45106335), (3, 30070890), (5, 18042534), (6, 15035445), (9, 10023630), (10, 9021267), (15, 6014178), (18, 5011815), (23, 3922290), (27, 3341210), (30, 3007089), (45, 2004726), (46, 1961145), (54, 1670605), (69, 1307430), (73, 1235790), (90, 1002363), (115, 784458), (135, 668242), (138, 653715), (146, 617895), (199, 453330), (207, 435810), (219, 411930), (230, 392229), (270, 334121), (345, 261486), (365, 247158), (398, 226665), (414, 217905), (438, 205965), (597, 151110), (621, 145270), (657, 137310), (690, 130743), (730, 123579), (995, 90666), (1035, 87162), (1095, 82386), (1194, 75555), (1242, 72635), (1314, 68655), (1679, 53730), (1791, 50370), (1971, 45770), (1990, 45333), (2070, 43581), (2190, 41193), (2985, 30222), (3105, 29054), (3285, 27462), (3358, 26865), (3582, 25185), (3942, 22885), (4577, 19710), (5037, 17910), (5373, 16790), (5970, 15111), (6210, 14527), (6570, 13731), (8395, 10746), (8955, 10074), (9154, 9855)]