255357960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 256

約数和(自身を含む): 940584960

約数和(自身を除く): 685227000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 23, 24, 26, 30, 33, 39, 40, 44, 46, 52, 55, 60, 65, 66, 69, 78, 88, 92, 104, 110, 115, 120, 130, 132, 138, 143, 156, 165, 184, 195, 220, 230, 253, 260, 264, 276, 286, 299, 312, 330, 345, 390, 429, 440, 460, 506, 520, 552, 572, 598, 647, 660, 690, 715, 759, 780, 858, 897, 920, 1012, 1144, 1196, 1265, 1294, 1320, 1380, 1430, 1495, 1518, 1560, 1716, 1794, 1941, 2024, 2145, 2392, 2530, 2588, 2760, 2860, 2990, 3036, 3235, 3289, 3432, 3588, 3795, 3882, 4290, 4485, 5060, 5176, 5720, 5980, 6072, 6470, 6578, 7117, 7176, 7590, 7764, 8411, 8580, 8970, 9705, 9867, 10120, 11960, 12940, 13156, 14234, 14881, 15180, 15528, 16445, 16822, 17160, 17940, 19410, 19734, 21351, 25233, 25880, 26312, 28468, 29762, 30360, 32890, 33644, 35585, 35880, 38820, 39468, 42055, 42702, 44643, 49335, 50466, 56936, 59524, 65780, 67288, 71170, 74405, 77640, 78936, 84110, 85404, 89286, 92521, 98670, 100932, 106755, 119048, 126165, 131560, 142340, 148810, 163691, 168220, 170808, 178572, 185042, 193453, 197340, 201864, 213510, 223215, 252330, 277563, 284680, 297620, 327382, 336440, 357144, 370084, 386906, 394680, 427020, 446430, 462605, 491073, 504660, 555126, 580359, 595240, 654764, 740168, 773812, 818455, 854040, 892860, 925210, 967265, 982146, 1009320, 1110252, 1160718, 1309528, 1387815, 1547624, 1636910, 1785720, 1850420, 1934530, 1964292, 2127983, 2220504, 2321436, 2455365, 2775630, 2901795, 3273820, 3700840, 3869060, 3928584, 4255966, 4642872, 4910730, 5551260, 5803590, 6383949, 6547640, 7738120, 8511932, 9821460, 10639915, 11102520, 11607180, 12767898, 17023864, 19642920, 21279830, 23214360, 25535796, 31919745, 42559660, 51071592, 63839490, 85119320, 127678980, 255357960]

約数ペア:

[(1, 255357960), (2, 127678980), (3, 85119320), (4, 63839490), (5, 51071592), (6, 42559660), (8, 31919745), (10, 25535796), (11, 23214360), (12, 21279830), (13, 19642920), (15, 17023864), (20, 12767898), (22, 11607180), (23, 11102520), (24, 10639915), (26, 9821460), (30, 8511932), (33, 7738120), (39, 6547640), (40, 6383949), (44, 5803590), (46, 5551260), (52, 4910730), (55, 4642872), (60, 4255966), (65, 3928584), (66, 3869060), (69, 3700840), (78, 3273820), (88, 2901795), (92, 2775630), (104, 2455365), (110, 2321436), (115, 2220504), (120, 2127983), (130, 1964292), (132, 1934530), (138, 1850420), (143, 1785720), (156, 1636910), (165, 1547624), (184, 1387815), (195, 1309528), (220, 1160718), (230, 1110252), (253, 1009320), (260, 982146), (264, 967265), (276, 925210), (286, 892860), (299, 854040), (312, 818455), (330, 773812), (345, 740168), (390, 654764), (429, 595240), (440, 580359), (460, 555126), (506, 504660), (520, 491073), (552, 462605), (572, 446430), (598, 427020), (647, 394680), (660, 386906), (690, 370084), (715, 357144), (759, 336440), (780, 327382), (858, 297620), (897, 284680), (920, 277563), (1012, 252330), (1144, 223215), (1196, 213510), (1265, 201864), (1294, 197340), (1320, 193453), (1380, 185042), (1430, 178572), (1495, 170808), (1518, 168220), (1560, 163691), (1716, 148810), (1794, 142340), (1941, 131560), (2024, 126165), (2145, 119048), (2392, 106755), (2530, 100932), (2588, 98670), (2760, 92521), (2860, 89286), (2990, 85404), (3036, 84110), (3235, 78936), (3289, 77640), (3432, 74405), (3588, 71170), (3795, 67288), (3882, 65780), (4290, 59524), (4485, 56936), (5060, 50466), (5176, 49335), (5720, 44643), (5980, 42702), (6072, 42055), (6470, 39468), (6578, 38820), (7117, 35880), (7176, 35585), (7590, 33644), (7764, 32890), (8411, 30360), (8580, 29762), (8970, 28468), (9705, 26312), (9867, 25880), (10120, 25233), (11960, 21351), (12940, 19734), (13156, 19410), (14234, 17940), (14881, 17160), (15180, 16822), (15528, 16445)]