254432640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 256

約数和(自身を含む): 1011709440

約数和(自身を除く): 757276800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1680, 1721, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3360, 3442, 3520, 3696, 4224, 4480, 4620, 4928, 5163, 5280, 6160, 6720, 6884, 7040, 7392, 8605, 9240, 9856, 10326, 10560, 12047, 12320, 13440, 13768, 14784, 17210, 18480, 18931, 20652, 21120, 24094, 24640, 25815, 27536, 29568, 34420, 36141, 36960, 37862, 41304, 48188, 49280, 51630, 55072, 56793, 60235, 68840, 72282, 73920, 75724, 82608, 94655, 96376, 103260, 110144, 113586, 120470, 132517, 137680, 144564, 147840, 151448, 165216, 180705, 189310, 192752, 206520, 220288, 227172, 240940, 265034, 275360, 283965, 289128, 302896, 330432, 361410, 378620, 385504, 397551, 413040, 454344, 481880, 530068, 550720, 567930, 578256, 605792, 660864, 662585, 722820, 757240, 771008, 795102, 826080, 908688, 963760, 1060136, 1101440, 1135860, 1156512, 1211584, 1325170, 1445640, 1514480, 1542016, 1590204, 1652160, 1817376, 1927520, 1987755, 2120272, 2271720, 2313024, 2423168, 2650340, 2891280, 3028960, 3180408, 3304320, 3634752, 3855040, 3975510, 4240544, 4543440, 4626048, 5300680, 5782560, 6057920, 6360816, 7269504, 7710080, 7951020, 8481088, 9086880, 10601360, 11565120, 12115840, 12721632, 15902040, 16962176, 18173760, 21202720, 23130240, 25443264, 31804080, 36347520, 42405440, 50886528, 63608160, 84810880, 127216320, 254432640]

約数ペア:

[(1, 254432640), (2, 127216320), (3, 84810880), (4, 63608160), (5, 50886528), (6, 42405440), (7, 36347520), (8, 31804080), (10, 25443264), (11, 23130240), (12, 21202720), (14, 18173760), (15, 16962176), (16, 15902040), (20, 12721632), (21, 12115840), (22, 11565120), (24, 10601360), (28, 9086880), (30, 8481088), (32, 7951020), (33, 7710080), (35, 7269504), (40, 6360816), (42, 6057920), (44, 5782560), (48, 5300680), (55, 4626048), (56, 4543440), (60, 4240544), (64, 3975510), (66, 3855040), (70, 3634752), (77, 3304320), (80, 3180408), (84, 3028960), (88, 2891280), (96, 2650340), (105, 2423168), (110, 2313024), (112, 2271720), (120, 2120272), (128, 1987755), (132, 1927520), (140, 1817376), (154, 1652160), (160, 1590204), (165, 1542016), (168, 1514480), (176, 1445640), (192, 1325170), (210, 1211584), (220, 1156512), (224, 1135860), (231, 1101440), (240, 1060136), (264, 963760), (280, 908688), (308, 826080), (320, 795102), (330, 771008), (336, 757240), (352, 722820), (384, 662585), (385, 660864), (420, 605792), (440, 578256), (448, 567930), (462, 550720), (480, 530068), (528, 481880), (560, 454344), (616, 413040), (640, 397551), (660, 385504), (672, 378620), (704, 361410), (770, 330432), (840, 302896), (880, 289128), (896, 283965), (924, 275360), (960, 265034), (1056, 240940), (1120, 227172), (1155, 220288), (1232, 206520), (1320, 192752), (1344, 189310), (1408, 180705), (1540, 165216), (1680, 151448), (1721, 147840), (1760, 144564), (1848, 137680), (1920, 132517), (2112, 120470), (2240, 113586), (2310, 110144), (2464, 103260), (2640, 96376), (2688, 94655), (3080, 82608), (3360, 75724), (3442, 73920), (3520, 72282), (3696, 68840), (4224, 60235), (4480, 56793), (4620, 55072), (4928, 51630), (5163, 49280), (5280, 48188), (6160, 41304), (6720, 37862), (6884, 36960), (7040, 36141), (7392, 34420), (8605, 29568), (9240, 27536), (9856, 25815), (10326, 24640), (10560, 24094), (12047, 21120), (12320, 20652), (13440, 18931), (13768, 18480), (14784, 17210)]