257675040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 192

約数和(自身を含む): 1030821120

約数和(自身を除く): 773146080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8521, 10080, 15120, 17042, 25563, 30240, 34084, 42605, 51126, 59647, 68168, 76689, 85210, 102252, 119294, 127815, 136336, 153378, 170420, 178941, 204504, 230067, 238588, 255630, 272672, 298235, 306756, 340840, 357882, 383445, 409008, 460134, 477176, 511260, 536823, 596470, 613512, 681680, 715764, 766890, 818016, 894705, 920268, 954352, 1022520, 1073646, 1150335, 1192940, 1227024, 1363360, 1431528, 1533780, 1610469, 1789410, 1840536, 1908704, 2045040, 2147292, 2300670, 2385880, 2454048, 2684115, 2863056, 3067560, 3220938, 3578820, 3681072, 4090080, 4294584, 4601340, 4771760, 5368230, 5726112, 6135120, 6441876, 7157640, 7362144, 8052345, 8589168, 9202680, 9543520, 10736460, 12270240, 12883752, 14315280, 16104690, 17178336, 18405360, 21472920, 25767504, 28630560, 32209380, 36810720, 42945840, 51535008, 64418760, 85891680, 128837520, 257675040]

約数ペア:

[(1, 257675040), (2, 128837520), (3, 85891680), (4, 64418760), (5, 51535008), (6, 42945840), (7, 36810720), (8, 32209380), (9, 28630560), (10, 25767504), (12, 21472920), (14, 18405360), (15, 17178336), (16, 16104690), (18, 14315280), (20, 12883752), (21, 12270240), (24, 10736460), (27, 9543520), (28, 9202680), (30, 8589168), (32, 8052345), (35, 7362144), (36, 7157640), (40, 6441876), (42, 6135120), (45, 5726112), (48, 5368230), (54, 4771760), (56, 4601340), (60, 4294584), (63, 4090080), (70, 3681072), (72, 3578820), (80, 3220938), (84, 3067560), (90, 2863056), (96, 2684115), (105, 2454048), (108, 2385880), (112, 2300670), (120, 2147292), (126, 2045040), (135, 1908704), (140, 1840536), (144, 1789410), (160, 1610469), (168, 1533780), (180, 1431528), (189, 1363360), (210, 1227024), (216, 1192940), (224, 1150335), (240, 1073646), (252, 1022520), (270, 954352), (280, 920268), (288, 894705), (315, 818016), (336, 766890), (360, 715764), (378, 681680), (420, 613512), (432, 596470), (480, 536823), (504, 511260), (540, 477176), (560, 460134), (630, 409008), (672, 383445), (720, 357882), (756, 340840), (840, 306756), (864, 298235), (945, 272672), (1008, 255630), (1080, 238588), (1120, 230067), (1260, 204504), (1440, 178941), (1512, 170420), (1680, 153378), (1890, 136336), (2016, 127815), (2160, 119294), (2520, 102252), (3024, 85210), (3360, 76689), (3780, 68168), (4320, 59647), (5040, 51126), (6048, 42605), (7560, 34084), (8521, 30240), (10080, 25563), (15120, 17042)]