820402848

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2227

約数の個数: 144

約数和(自身を含む): 2465438976

約数和(自身を除く): 1645036128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 62, 72, 86, 93, 96, 124, 129, 144, 172, 186, 248, 258, 279, 288, 344, 372, 387, 496, 516, 558, 688, 744, 774, 992, 1032, 1116, 1333, 1376, 1488, 1548, 2064, 2137, 2232, 2666, 2976, 3096, 3999, 4128, 4274, 4464, 5332, 6192, 6411, 7998, 8548, 8928, 10664, 11997, 12384, 12822, 15996, 17096, 19233, 21328, 23994, 25644, 31992, 34192, 38466, 42656, 47988, 51288, 63984, 66247, 68384, 76932, 91891, 95976, 102576, 127968, 132494, 153864, 183782, 191952, 198741, 205152, 264988, 275673, 307728, 367564, 383904, 397482, 529976, 551346, 596223, 615456, 735128, 794964, 827019, 1059952, 1102692, 1192446, 1470256, 1589928, 1654038, 2119904, 2205384, 2384892, 2848621, 2940512, 3179856, 3308076, 4410768, 4769784, 5697242, 6359712, 6616152, 8545863, 8821536, 9539568, 11394484, 13232304, 17091726, 19079136, 22788968, 25637589, 26464608, 34183452, 45577936, 51275178, 68366904, 91155872, 102550356, 136733808, 205100712, 273467616, 410201424, 820402848]

約数ペア:

[(1, 820402848), (2, 410201424), (3, 273467616), (4, 205100712), (6, 136733808), (8, 102550356), (9, 91155872), (12, 68366904), (16, 51275178), (18, 45577936), (24, 34183452), (31, 26464608), (32, 25637589), (36, 22788968), (43, 19079136), (48, 17091726), (62, 13232304), (72, 11394484), (86, 9539568), (93, 8821536), (96, 8545863), (124, 6616152), (129, 6359712), (144, 5697242), (172, 4769784), (186, 4410768), (248, 3308076), (258, 3179856), (279, 2940512), (288, 2848621), (344, 2384892), (372, 2205384), (387, 2119904), (496, 1654038), (516, 1589928), (558, 1470256), (688, 1192446), (744, 1102692), (774, 1059952), (992, 827019), (1032, 794964), (1116, 735128), (1333, 615456), (1376, 596223), (1488, 551346), (1548, 529976), (2064, 397482), (2137, 383904), (2232, 367564), (2666, 307728), (2976, 275673), (3096, 264988), (3999, 205152), (4128, 198741), (4274, 191952), (4464, 183782), (5332, 153864), (6192, 132494), (6411, 127968), (7998, 102576), (8548, 95976), (8928, 91891), (10664, 76932), (11997, 68384), (12384, 66247), (12822, 63984), (15996, 51288), (17096, 47988), (19233, 42656), (21328, 38466), (23994, 34192), (25644, 31992)]