640091760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1876

約数の個数: 320

約数和(自身を含む): 2605547520

約数和(自身を除く): 1965455760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 66, 70, 76, 77, 80, 84, 88, 95, 105, 110, 112, 114, 120, 132, 133, 140, 152, 154, 165, 168, 176, 190, 209, 210, 220, 228, 231, 240, 264, 266, 280, 285, 304, 308, 330, 336, 380, 385, 399, 418, 420, 440, 456, 462, 528, 532, 560, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 880, 912, 924, 1045, 1064, 1140, 1155, 1232, 1254, 1320, 1330, 1463, 1520, 1540, 1596, 1672, 1680, 1823, 1848, 1995, 2090, 2128, 2280, 2310, 2508, 2640, 2660, 2926, 3080, 3135, 3192, 3344, 3646, 3696, 3990, 4180, 4389, 4560, 4620, 5016, 5320, 5469, 5852, 6160, 6270, 6384, 7292, 7315, 7980, 8360, 8778, 9115, 9240, 10032, 10640, 10938, 11704, 12540, 12761, 14584, 14630, 15960, 16720, 17556, 18230, 18480, 20053, 21876, 21945, 23408, 25080, 25522, 27345, 29168, 29260, 31920, 34637, 35112, 36460, 38283, 40106, 43752, 43890, 50160, 51044, 54690, 58520, 60159, 63805, 69274, 70224, 72920, 76566, 80212, 87504, 87780, 100265, 102088, 103911, 109380, 117040, 120318, 127610, 138548, 140371, 145840, 153132, 160424, 173185, 175560, 191415, 200530, 204176, 207822, 218760, 240636, 242459, 255220, 277096, 280742, 300795, 306264, 320848, 346370, 351120, 381007, 382830, 401060, 415644, 421113, 437520, 481272, 484918, 510440, 519555, 554192, 561484, 601590, 612528, 692740, 701855, 727377, 762014, 765660, 802120, 831288, 842226, 962544, 969836, 1020880, 1039110, 1122968, 1143021, 1203180, 1212295, 1385480, 1403710, 1454754, 1524028, 1531320, 1604240, 1662576, 1684452, 1905035, 1939672, 2078220, 2105565, 2245936, 2286042, 2406360, 2424590, 2667049, 2770960, 2807420, 2909508, 3048056, 3062640, 3368904, 3636885, 3810070, 3879344, 4156440, 4211130, 4572084, 4812720, 4849180, 5334098, 5614840, 5715105, 5819016, 6096112, 6737808, 7273770, 7620140, 8001147, 8312880, 8422260, 9144168, 9698360, 10668196, 11229680, 11430210, 11638032, 13335245, 14547540, 15240280, 16002294, 16844520, 18288336, 19396720, 21336392, 22860420, 26670490, 29095080, 30480560, 32004588, 33689040, 40005735, 42672784, 45720840, 53340980, 58190160, 64009176, 80011470, 91441680, 106681960, 128018352, 160022940, 213363920, 320045880, 640091760]

約数ペア:

[(1, 640091760), (2, 320045880), (3, 213363920), (4, 160022940), (5, 128018352), (6, 106681960), (7, 91441680), (8, 80011470), (10, 64009176), (11, 58190160), (12, 53340980), (14, 45720840), (15, 42672784), (16, 40005735), (19, 33689040), (20, 32004588), (21, 30480560), (22, 29095080), (24, 26670490), (28, 22860420), (30, 21336392), (33, 19396720), (35, 18288336), (38, 16844520), (40, 16002294), (42, 15240280), (44, 14547540), (48, 13335245), (55, 11638032), (56, 11430210), (57, 11229680), (60, 10668196), (66, 9698360), (70, 9144168), (76, 8422260), (77, 8312880), (80, 8001147), (84, 7620140), (88, 7273770), (95, 6737808), (105, 6096112), (110, 5819016), (112, 5715105), (114, 5614840), (120, 5334098), (132, 4849180), (133, 4812720), (140, 4572084), (152, 4211130), (154, 4156440), (165, 3879344), (168, 3810070), (176, 3636885), (190, 3368904), (209, 3062640), (210, 3048056), (220, 2909508), (228, 2807420), (231, 2770960), (240, 2667049), (264, 2424590), (266, 2406360), (280, 2286042), (285, 2245936), (304, 2105565), (308, 2078220), (330, 1939672), (336, 1905035), (380, 1684452), (385, 1662576), (399, 1604240), (418, 1531320), (420, 1524028), (440, 1454754), (456, 1403710), (462, 1385480), (528, 1212295), (532, 1203180), (560, 1143021), (570, 1122968), (616, 1039110), (627, 1020880), (660, 969836), (665, 962544), (760, 842226), (770, 831288), (798, 802120), (836, 765660), (840, 762014), (880, 727377), (912, 701855), (924, 692740), (1045, 612528), (1064, 601590), (1140, 561484), (1155, 554192), (1232, 519555), (1254, 510440), (1320, 484918), (1330, 481272), (1463, 437520), (1520, 421113), (1540, 415644), (1596, 401060), (1672, 382830), (1680, 381007), (1823, 351120), (1848, 346370), (1995, 320848), (2090, 306264), (2128, 300795), (2280, 280742), (2310, 277096), (2508, 255220), (2640, 242459), (2660, 240636), (2926, 218760), (3080, 207822), (3135, 204176), (3192, 200530), (3344, 191415), (3646, 175560), (3696, 173185), (3990, 160424), (4180, 153132), (4389, 145840), (4560, 140371), (4620, 138548), (5016, 127610), (5320, 120318), (5469, 117040), (5852, 109380), (6160, 103911), (6270, 102088), (6384, 100265), (7292, 87780), (7315, 87504), (7980, 80212), (8360, 76566), (8778, 72920), (9115, 70224), (9240, 69274), (10032, 63805), (10640, 60159), (10938, 58520), (11704, 54690), (12540, 51044), (12761, 50160), (14584, 43890), (14630, 43752), (15960, 40106), (16720, 38283), (17556, 36460), (18230, 35112), (18480, 34637), (20053, 31920), (21876, 29260), (21945, 29168), (23408, 27345), (25080, 25522)]