721896504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1429}}^1$

素因数の和:1573

約数の個数: 128

約数和(自身を含む): 2152550400

約数和(自身を除く): 1430653896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 97, 124, 168, 186, 194, 217, 248, 291, 372, 388, 434, 582, 651, 679, 744, 776, 868, 1164, 1302, 1358, 1429, 1736, 2037, 2328, 2604, 2716, 2858, 3007, 4074, 4287, 5208, 5432, 5716, 6014, 8148, 8574, 9021, 10003, 11432, 12028, 16296, 17148, 18042, 20006, 21049, 24056, 30009, 34296, 36084, 40012, 42098, 44299, 60018, 63147, 72168, 80024, 84196, 88598, 120036, 126294, 132897, 138613, 168392, 177196, 240072, 252588, 265794, 277226, 310093, 354392, 415839, 505176, 531588, 554452, 620186, 831678, 930279, 970291, 1063176, 1108904, 1240372, 1663356, 1860558, 1940582, 2480744, 2910873, 3326712, 3721116, 3881164, 4297003, 5821746, 7442232, 7762328, 8594006, 11643492, 12891009, 17188012, 23286984, 25782018, 30079021, 34376024, 51564036, 60158042, 90237063, 103128072, 120316084, 180474126, 240632168, 360948252, 721896504]

約数ペア:

[(1, 721896504), (2, 360948252), (3, 240632168), (4, 180474126), (6, 120316084), (7, 103128072), (8, 90237063), (12, 60158042), (14, 51564036), (21, 34376024), (24, 30079021), (28, 25782018), (31, 23286984), (42, 17188012), (56, 12891009), (62, 11643492), (84, 8594006), (93, 7762328), (97, 7442232), (124, 5821746), (168, 4297003), (186, 3881164), (194, 3721116), (217, 3326712), (248, 2910873), (291, 2480744), (372, 1940582), (388, 1860558), (434, 1663356), (582, 1240372), (651, 1108904), (679, 1063176), (744, 970291), (776, 930279), (868, 831678), (1164, 620186), (1302, 554452), (1358, 531588), (1429, 505176), (1736, 415839), (2037, 354392), (2328, 310093), (2604, 277226), (2716, 265794), (2858, 252588), (3007, 240072), (4074, 177196), (4287, 168392), (5208, 138613), (5432, 132897), (5716, 126294), (6014, 120036), (8148, 88598), (8574, 84196), (9021, 80024), (10003, 72168), (11432, 63147), (12028, 60018), (16296, 44299), (17148, 42098), (18042, 40012), (20006, 36084), (21049, 34296), (24056, 30009)]