1231386960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 240

約数和(自身を含む): 4166786880

約数和(自身を除く): 2935399920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 281, 285, 304, 310, 372, 380, 456, 465, 496, 562, 570, 589, 620, 744, 760, 843, 912, 930, 961, 1124, 1140, 1178, 1240, 1405, 1488, 1520, 1686, 1767, 1860, 1922, 2248, 2280, 2356, 2480, 2810, 2883, 2945, 3372, 3534, 3720, 3844, 4215, 4496, 4560, 4712, 4805, 5339, 5620, 5766, 5890, 6744, 7068, 7440, 7688, 8430, 8711, 8835, 9424, 9610, 10678, 11240, 11532, 11780, 13488, 14136, 14415, 15376, 16017, 16860, 17422, 17670, 18259, 19220, 21356, 22480, 23064, 23560, 26133, 26695, 28272, 28830, 32034, 33720, 34844, 35340, 36518, 38440, 42712, 43555, 46128, 47120, 52266, 53390, 54777, 57660, 64068, 67440, 69688, 70680, 73036, 76880, 80085, 85424, 87110, 91295, 104532, 106780, 109554, 115320, 128136, 130665, 139376, 141360, 146072, 160170, 165509, 174220, 182590, 209064, 213560, 219108, 230640, 256272, 261330, 270041, 273885, 292144, 320340, 331018, 348440, 365180, 418128, 427120, 438216, 496527, 522660, 540082, 547770, 640680, 662036, 696880, 730360, 810123, 827545, 876432, 993054, 1045320, 1080164, 1095540, 1281360, 1324072, 1350205, 1460720, 1620246, 1655090, 1986108, 2090640, 2160328, 2191080, 2482635, 2648144, 2700410, 3240492, 3310180, 3972216, 4050615, 4320656, 4382160, 4965270, 5130779, 5400820, 6480984, 6620360, 7944432, 8101230, 9930540, 10261558, 10801640, 12961968, 13240720, 15392337, 16202460, 19861080, 20523116, 21603280, 25653895, 30784674, 32404920, 39722160, 41046232, 51307790, 61569348, 64809840, 76961685, 82092464, 102615580, 123138696, 153923370, 205231160, 246277392, 307846740, 410462320, 615693480, 1231386960]

約数ペア:

[(1, 1231386960), (2, 615693480), (3, 410462320), (4, 307846740), (5, 246277392), (6, 205231160), (8, 153923370), (10, 123138696), (12, 102615580), (15, 82092464), (16, 76961685), (19, 64809840), (20, 61569348), (24, 51307790), (30, 41046232), (31, 39722160), (38, 32404920), (40, 30784674), (48, 25653895), (57, 21603280), (60, 20523116), (62, 19861080), (76, 16202460), (80, 15392337), (93, 13240720), (95, 12961968), (114, 10801640), (120, 10261558), (124, 9930540), (152, 8101230), (155, 7944432), (186, 6620360), (190, 6480984), (228, 5400820), (240, 5130779), (248, 4965270), (281, 4382160), (285, 4320656), (304, 4050615), (310, 3972216), (372, 3310180), (380, 3240492), (456, 2700410), (465, 2648144), (496, 2482635), (562, 2191080), (570, 2160328), (589, 2090640), (620, 1986108), (744, 1655090), (760, 1620246), (843, 1460720), (912, 1350205), (930, 1324072), (961, 1281360), (1124, 1095540), (1140, 1080164), (1178, 1045320), (1240, 993054), (1405, 876432), (1488, 827545), (1520, 810123), (1686, 730360), (1767, 696880), (1860, 662036), (1922, 640680), (2248, 547770), (2280, 540082), (2356, 522660), (2480, 496527), (2810, 438216), (2883, 427120), (2945, 418128), (3372, 365180), (3534, 348440), (3720, 331018), (3844, 320340), (4215, 292144), (4496, 273885), (4560, 270041), (4712, 261330), (4805, 256272), (5339, 230640), (5620, 219108), (5766, 213560), (5890, 209064), (6744, 182590), (7068, 174220), (7440, 165509), (7688, 160170), (8430, 146072), (8711, 141360), (8835, 139376), (9424, 130665), (9610, 128136), (10678, 115320), (11240, 109554), (11532, 106780), (11780, 104532), (13488, 91295), (14136, 87110), (14415, 85424), (15376, 80085), (16017, 76880), (16860, 73036), (17422, 70680), (17670, 69688), (18259, 67440), (19220, 64068), (21356, 57660), (22480, 54777), (23064, 53390), (23560, 52266), (26133, 47120), (26695, 46128), (28272, 43555), (28830, 42712), (32034, 38440), (33720, 36518), (34844, 35340)]