261342480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 240

約数和(自身を含む): 958760064

約数和(自身を除く): 697417584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 71, 80, 84, 98, 105, 112, 120, 140, 142, 147, 168, 196, 210, 213, 240, 245, 280, 284, 294, 313, 336, 355, 392, 420, 426, 490, 497, 560, 568, 588, 626, 710, 735, 784, 840, 852, 939, 980, 994, 1065, 1136, 1176, 1252, 1420, 1470, 1491, 1565, 1680, 1704, 1878, 1960, 1988, 2130, 2191, 2352, 2485, 2504, 2840, 2940, 2982, 3130, 3408, 3479, 3756, 3920, 3976, 4260, 4382, 4695, 4970, 5008, 5680, 5880, 5964, 6260, 6573, 6958, 7455, 7512, 7952, 8520, 8764, 9390, 9940, 10437, 10955, 11760, 11928, 12520, 13146, 13916, 14910, 15024, 15337, 17040, 17395, 17528, 18780, 19880, 20874, 21910, 22223, 23856, 25040, 26292, 27832, 29820, 30674, 32865, 34790, 35056, 37560, 39760, 41748, 43820, 44446, 46011, 52185, 52584, 55664, 59640, 61348, 65730, 66669, 69580, 75120, 76685, 83496, 87640, 88892, 92022, 104370, 105168, 111115, 119280, 122696, 131460, 133338, 139160, 153370, 155561, 166992, 175280, 177784, 184044, 208740, 222230, 230055, 245392, 262920, 266676, 278320, 306740, 311122, 333345, 355568, 368088, 417480, 444460, 460110, 466683, 525840, 533352, 613480, 622244, 666690, 736176, 777805, 834960, 888920, 920220, 933366, 1066704, 1088927, 1226960, 1244488, 1333380, 1555610, 1777840, 1840440, 1866732, 2177854, 2333415, 2488976, 2666760, 3111220, 3266781, 3680880, 3733464, 4355708, 4666830, 5333520, 5444635, 6222440, 6533562, 7466928, 8711416, 9333660, 10889270, 12444880, 13067124, 16333905, 17422832, 18667320, 21778540, 26134248, 32667810, 37334640, 43557080, 52268496, 65335620, 87114160, 130671240, 261342480]

約数ペア:

[(1, 261342480), (2, 130671240), (3, 87114160), (4, 65335620), (5, 52268496), (6, 43557080), (7, 37334640), (8, 32667810), (10, 26134248), (12, 21778540), (14, 18667320), (15, 17422832), (16, 16333905), (20, 13067124), (21, 12444880), (24, 10889270), (28, 9333660), (30, 8711416), (35, 7466928), (40, 6533562), (42, 6222440), (48, 5444635), (49, 5333520), (56, 4666830), (60, 4355708), (70, 3733464), (71, 3680880), (80, 3266781), (84, 3111220), (98, 2666760), (105, 2488976), (112, 2333415), (120, 2177854), (140, 1866732), (142, 1840440), (147, 1777840), (168, 1555610), (196, 1333380), (210, 1244488), (213, 1226960), (240, 1088927), (245, 1066704), (280, 933366), (284, 920220), (294, 888920), (313, 834960), (336, 777805), (355, 736176), (392, 666690), (420, 622244), (426, 613480), (490, 533352), (497, 525840), (560, 466683), (568, 460110), (588, 444460), (626, 417480), (710, 368088), (735, 355568), (784, 333345), (840, 311122), (852, 306740), (939, 278320), (980, 266676), (994, 262920), (1065, 245392), (1136, 230055), (1176, 222230), (1252, 208740), (1420, 184044), (1470, 177784), (1491, 175280), (1565, 166992), (1680, 155561), (1704, 153370), (1878, 139160), (1960, 133338), (1988, 131460), (2130, 122696), (2191, 119280), (2352, 111115), (2485, 105168), (2504, 104370), (2840, 92022), (2940, 88892), (2982, 87640), (3130, 83496), (3408, 76685), (3479, 75120), (3756, 69580), (3920, 66669), (3976, 65730), (4260, 61348), (4382, 59640), (4695, 55664), (4970, 52584), (5008, 52185), (5680, 46011), (5880, 44446), (5964, 43820), (6260, 41748), (6573, 39760), (6958, 37560), (7455, 35056), (7512, 34790), (7952, 32865), (8520, 30674), (8764, 29820), (9390, 27832), (9940, 26292), (10437, 25040), (10955, 23856), (11760, 22223), (11928, 21910), (12520, 20874), (13146, 19880), (13916, 18780), (14910, 17528), (15024, 17395), (15337, 17040)]