77862240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 268304400

約数和(自身を除く): 190442160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 389, 417, 480, 556, 695, 720, 778, 834, 1112, 1167, 1251, 1390, 1440, 1556, 1668, 1945, 2085, 2224, 2334, 2502, 2780, 3112, 3336, 3501, 3890, 4170, 4448, 4668, 5004, 5560, 5835, 6224, 6255, 6672, 7002, 7780, 8340, 9336, 10008, 11120, 11670, 12448, 12510, 13344, 14004, 15560, 16680, 17505, 18672, 20016, 22240, 23340, 25020, 28008, 31120, 33360, 35010, 37344, 40032, 46680, 50040, 54071, 56016, 62240, 66720, 70020, 93360, 100080, 108142, 112032, 140040, 162213, 186720, 200160, 216284, 270355, 280080, 324426, 432568, 486639, 540710, 560160, 648852, 811065, 865136, 973278, 1081420, 1297704, 1622130, 1730272, 1946556, 2162840, 2433195, 2595408, 3244260, 3893112, 4325680, 4866390, 5190816, 6488520, 7786224, 8651360, 9732780, 12977040, 15572448, 19465560, 25954080, 38931120, 77862240]

約数ペア:

[(1, 77862240), (2, 38931120), (3, 25954080), (4, 19465560), (5, 15572448), (6, 12977040), (8, 9732780), (9, 8651360), (10, 7786224), (12, 6488520), (15, 5190816), (16, 4866390), (18, 4325680), (20, 3893112), (24, 3244260), (30, 2595408), (32, 2433195), (36, 2162840), (40, 1946556), (45, 1730272), (48, 1622130), (60, 1297704), (72, 1081420), (80, 973278), (90, 865136), (96, 811065), (120, 648852), (139, 560160), (144, 540710), (160, 486639), (180, 432568), (240, 324426), (278, 280080), (288, 270355), (360, 216284), (389, 200160), (417, 186720), (480, 162213), (556, 140040), (695, 112032), (720, 108142), (778, 100080), (834, 93360), (1112, 70020), (1167, 66720), (1251, 62240), (1390, 56016), (1440, 54071), (1556, 50040), (1668, 46680), (1945, 40032), (2085, 37344), (2224, 35010), (2334, 33360), (2502, 31120), (2780, 28008), (3112, 25020), (3336, 23340), (3501, 22240), (3890, 20016), (4170, 18672), (4448, 17505), (4668, 16680), (5004, 15560), (5560, 14004), (5835, 13344), (6224, 12510), (6255, 12448), (6672, 11670), (7002, 11120), (7780, 10008), (8340, 9336)]