257216960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 336

約数和(自身を含む): 839955648

約数和(自身を除く): 582738688

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 73, 77, 80, 88, 91, 104, 110, 112, 121, 130, 140, 143, 146, 154, 160, 176, 182, 208, 220, 224, 242, 260, 280, 286, 292, 308, 320, 352, 364, 365, 385, 416, 440, 448, 455, 484, 511, 520, 560, 572, 584, 605, 616, 704, 715, 728, 730, 770, 803, 832, 847, 880, 910, 949, 968, 1001, 1022, 1040, 1120, 1144, 1168, 1210, 1232, 1430, 1456, 1460, 1540, 1573, 1606, 1694, 1760, 1820, 1898, 1936, 2002, 2044, 2080, 2240, 2288, 2336, 2420, 2464, 2555, 2860, 2912, 2920, 3080, 3146, 3212, 3388, 3520, 3640, 3796, 3872, 4004, 4015, 4088, 4160, 4235, 4576, 4672, 4745, 4840, 4928, 5005, 5110, 5621, 5720, 5824, 5840, 6160, 6292, 6424, 6643, 6776, 7280, 7592, 7744, 7865, 8008, 8030, 8176, 8470, 8833, 9152, 9490, 9680, 10010, 10220, 10439, 11011, 11242, 11440, 11680, 12320, 12584, 12848, 13286, 13552, 14560, 15184, 15730, 16016, 16060, 16352, 16940, 17666, 18980, 19360, 20020, 20440, 20878, 22022, 22484, 22880, 23360, 24640, 25168, 25696, 26572, 27104, 28105, 29120, 30368, 31460, 32032, 32120, 32704, 33215, 33880, 35332, 37960, 38720, 40040, 40880, 41756, 44044, 44165, 44968, 45760, 50336, 51392, 52195, 53144, 54208, 55055, 56210, 60736, 61831, 62920, 64064, 64240, 66430, 67760, 70664, 73073, 75920, 80080, 81760, 83512, 88088, 88330, 89936, 100672, 104390, 106288, 110110, 112420, 114829, 123662, 125840, 128480, 132860, 135520, 141328, 146146, 151840, 160160, 163520, 167024, 176176, 176660, 179872, 208780, 212576, 220220, 224840, 229658, 247324, 251680, 256960, 265720, 271040, 282656, 292292, 303680, 309155, 320320, 334048, 352352, 353320, 359744, 365365, 417560, 425152, 440440, 449680, 459316, 494648, 503360, 531440, 565312, 574145, 584584, 618310, 668096, 704704, 706640, 730730, 803803, 835120, 880880, 899360, 918632, 989296, 1062880, 1148290, 1169168, 1236620, 1413280, 1461460, 1607606, 1670240, 1761760, 1798720, 1837264, 1978592, 2125760, 2296580, 2338336, 2473240, 2826560, 2922920, 3215212, 3340480, 3523520, 3674528, 3957184, 4019015, 4593160, 4676672, 4946480, 5845840, 6430424, 7349056, 8038030, 9186320, 9892960, 11691680, 12860848, 16076060, 18372640, 19785920, 23383360, 25721696, 32152120, 36745280, 51443392, 64304240, 128608480, 257216960]

約数ペア:

[(1, 257216960), (2, 128608480), (4, 64304240), (5, 51443392), (7, 36745280), (8, 32152120), (10, 25721696), (11, 23383360), (13, 19785920), (14, 18372640), (16, 16076060), (20, 12860848), (22, 11691680), (26, 9892960), (28, 9186320), (32, 8038030), (35, 7349056), (40, 6430424), (44, 5845840), (52, 4946480), (55, 4676672), (56, 4593160), (64, 4019015), (65, 3957184), (70, 3674528), (73, 3523520), (77, 3340480), (80, 3215212), (88, 2922920), (91, 2826560), (104, 2473240), (110, 2338336), (112, 2296580), (121, 2125760), (130, 1978592), (140, 1837264), (143, 1798720), (146, 1761760), (154, 1670240), (160, 1607606), (176, 1461460), (182, 1413280), (208, 1236620), (220, 1169168), (224, 1148290), (242, 1062880), (260, 989296), (280, 918632), (286, 899360), (292, 880880), (308, 835120), (320, 803803), (352, 730730), (364, 706640), (365, 704704), (385, 668096), (416, 618310), (440, 584584), (448, 574145), (455, 565312), (484, 531440), (511, 503360), (520, 494648), (560, 459316), (572, 449680), (584, 440440), (605, 425152), (616, 417560), (704, 365365), (715, 359744), (728, 353320), (730, 352352), (770, 334048), (803, 320320), (832, 309155), (847, 303680), (880, 292292), (910, 282656), (949, 271040), (968, 265720), (1001, 256960), (1022, 251680), (1040, 247324), (1120, 229658), (1144, 224840), (1168, 220220), (1210, 212576), (1232, 208780), (1430, 179872), (1456, 176660), (1460, 176176), (1540, 167024), (1573, 163520), (1606, 160160), (1694, 151840), (1760, 146146), (1820, 141328), (1898, 135520), (1936, 132860), (2002, 128480), (2044, 125840), (2080, 123662), (2240, 114829), (2288, 112420), (2336, 110110), (2420, 106288), (2464, 104390), (2555, 100672), (2860, 89936), (2912, 88330), (2920, 88088), (3080, 83512), (3146, 81760), (3212, 80080), (3388, 75920), (3520, 73073), (3640, 70664), (3796, 67760), (3872, 66430), (4004, 64240), (4015, 64064), (4088, 62920), (4160, 61831), (4235, 60736), (4576, 56210), (4672, 55055), (4745, 54208), (4840, 53144), (4928, 52195), (5005, 51392), (5110, 50336), (5621, 45760), (5720, 44968), (5824, 44165), (5840, 44044), (6160, 41756), (6292, 40880), (6424, 40040), (6643, 38720), (6776, 37960), (7280, 35332), (7592, 33880), (7744, 33215), (7865, 32704), (8008, 32120), (8030, 32032), (8176, 31460), (8470, 30368), (8833, 29120), (9152, 28105), (9490, 27104), (9680, 26572), (10010, 25696), (10220, 25168), (10439, 24640), (11011, 23360), (11242, 22880), (11440, 22484), (11680, 22022), (12320, 20878), (12584, 20440), (12848, 20020), (13286, 19360), (13552, 18980), (14560, 17666), (15184, 16940), (15730, 16352), (16016, 16060)]