7749840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 27989280

約数和(自身を除く): 20239440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 659, 735, 784, 840, 980, 1176, 1318, 1470, 1680, 1960, 1977, 2352, 2636, 2940, 3295, 3920, 3954, 4613, 5272, 5880, 6590, 7908, 9226, 9885, 10544, 11760, 13180, 13839, 15816, 18452, 19770, 23065, 26360, 27678, 31632, 32291, 36904, 39540, 46130, 52720, 55356, 64582, 69195, 73808, 79080, 92260, 96873, 110712, 129164, 138390, 158160, 161455, 184520, 193746, 221424, 258328, 276780, 322910, 369040, 387492, 484365, 516656, 553560, 645820, 774984, 968730, 1107120, 1291640, 1549968, 1937460, 2583280, 3874920, 7749840]

約数ペア:

[(1, 7749840), (2, 3874920), (3, 2583280), (4, 1937460), (5, 1549968), (6, 1291640), (7, 1107120), (8, 968730), (10, 774984), (12, 645820), (14, 553560), (15, 516656), (16, 484365), (20, 387492), (21, 369040), (24, 322910), (28, 276780), (30, 258328), (35, 221424), (40, 193746), (42, 184520), (48, 161455), (49, 158160), (56, 138390), (60, 129164), (70, 110712), (80, 96873), (84, 92260), (98, 79080), (105, 73808), (112, 69195), (120, 64582), (140, 55356), (147, 52720), (168, 46130), (196, 39540), (210, 36904), (240, 32291), (245, 31632), (280, 27678), (294, 26360), (336, 23065), (392, 19770), (420, 18452), (490, 15816), (560, 13839), (588, 13180), (659, 11760), (735, 10544), (784, 9885), (840, 9226), (980, 7908), (1176, 6590), (1318, 5880), (1470, 5272), (1680, 4613), (1960, 3954), (1977, 3920), (2352, 3295), (2636, 2940)]