261994040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 801100800

約数和(自身を除く): 539106760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 37, 38, 40, 44, 55, 56, 70, 74, 76, 77, 88, 95, 110, 121, 133, 140, 148, 152, 154, 185, 190, 209, 220, 242, 259, 266, 280, 296, 308, 370, 380, 385, 407, 418, 440, 484, 518, 532, 605, 616, 665, 703, 740, 760, 770, 814, 836, 847, 968, 1036, 1045, 1064, 1210, 1295, 1330, 1331, 1406, 1463, 1480, 1540, 1628, 1672, 1694, 2035, 2072, 2090, 2299, 2420, 2590, 2660, 2662, 2812, 2849, 2926, 3080, 3256, 3388, 3515, 4070, 4180, 4235, 4477, 4598, 4840, 4921, 5180, 5320, 5324, 5624, 5698, 5852, 6655, 6776, 7030, 7315, 7733, 8140, 8360, 8470, 8954, 9196, 9317, 9842, 10360, 10648, 11396, 11495, 11704, 13310, 14060, 14245, 14630, 15466, 16093, 16280, 16940, 17908, 18392, 18634, 19684, 22385, 22792, 22990, 24605, 25289, 26620, 28120, 28490, 29260, 30932, 31339, 32186, 33880, 35816, 37268, 38665, 39368, 44770, 45980, 46585, 49210, 49247, 50578, 53240, 54131, 56980, 58520, 61864, 62678, 64372, 74536, 77330, 80465, 85063, 89540, 91960, 93170, 98420, 98494, 101156, 108262, 113960, 125356, 126445, 128744, 154660, 156695, 160930, 170126, 177023, 179080, 186340, 196840, 196988, 202312, 216524, 246235, 250712, 252890, 270655, 309320, 313390, 321860, 340252, 344729, 354046, 372680, 393976, 425315, 433048, 492470, 505780, 541310, 595441, 626780, 643720, 680504, 689458, 708092, 850630, 885115, 935693, 984940, 1011560, 1082620, 1190882, 1253560, 1378916, 1416184, 1701260, 1723645, 1770230, 1871386, 1969880, 2165240, 2381764, 2757832, 2977205, 3402520, 3447290, 3540460, 3742772, 4678465, 4763528, 5954410, 6549851, 6894580, 7080920, 7485544, 9356930, 11908820, 13099702, 13789160, 18713860, 23817640, 26199404, 32749255, 37427720, 52398808, 65498510, 130997020, 261994040]

約数ペア:

[(1, 261994040), (2, 130997020), (4, 65498510), (5, 52398808), (7, 37427720), (8, 32749255), (10, 26199404), (11, 23817640), (14, 18713860), (19, 13789160), (20, 13099702), (22, 11908820), (28, 9356930), (35, 7485544), (37, 7080920), (38, 6894580), (40, 6549851), (44, 5954410), (55, 4763528), (56, 4678465), (70, 3742772), (74, 3540460), (76, 3447290), (77, 3402520), (88, 2977205), (95, 2757832), (110, 2381764), (121, 2165240), (133, 1969880), (140, 1871386), (148, 1770230), (152, 1723645), (154, 1701260), (185, 1416184), (190, 1378916), (209, 1253560), (220, 1190882), (242, 1082620), (259, 1011560), (266, 984940), (280, 935693), (296, 885115), (308, 850630), (370, 708092), (380, 689458), (385, 680504), (407, 643720), (418, 626780), (440, 595441), (484, 541310), (518, 505780), (532, 492470), (605, 433048), (616, 425315), (665, 393976), (703, 372680), (740, 354046), (760, 344729), (770, 340252), (814, 321860), (836, 313390), (847, 309320), (968, 270655), (1036, 252890), (1045, 250712), (1064, 246235), (1210, 216524), (1295, 202312), (1330, 196988), (1331, 196840), (1406, 186340), (1463, 179080), (1480, 177023), (1540, 170126), (1628, 160930), (1672, 156695), (1694, 154660), (2035, 128744), (2072, 126445), (2090, 125356), (2299, 113960), (2420, 108262), (2590, 101156), (2660, 98494), (2662, 98420), (2812, 93170), (2849, 91960), (2926, 89540), (3080, 85063), (3256, 80465), (3388, 77330), (3515, 74536), (4070, 64372), (4180, 62678), (4235, 61864), (4477, 58520), (4598, 56980), (4840, 54131), (4921, 53240), (5180, 50578), (5320, 49247), (5324, 49210), (5624, 46585), (5698, 45980), (5852, 44770), (6655, 39368), (6776, 38665), (7030, 37268), (7315, 35816), (7733, 33880), (8140, 32186), (8360, 31339), (8470, 30932), (8954, 29260), (9196, 28490), (9317, 28120), (9842, 26620), (10360, 25289), (10648, 24605), (11396, 22990), (11495, 22792), (11704, 22385), (13310, 19684), (14060, 18634), (14245, 18392), (14630, 17908), (15466, 16940), (16093, 16280)]