197578920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21383}}^1$

素因数の和:21415

約数の個数: 128

約数和(自身を含む): 739031040

約数和(自身を除く): 541452120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21383, 42766, 64149, 85532, 106915, 128298, 149681, 171064, 213830, 235213, 256596, 299362, 320745, 427660, 449043, 470426, 513192, 598724, 641490, 705639, 748405, 855320, 898086, 940852, 1176065, 1197448, 1282980, 1411278, 1496810, 1646491, 1796172, 1881704, 2245215, 2352130, 2565960, 2822556, 2993620, 3292982, 3528195, 3592344, 4490430, 4704260, 4939473, 5645112, 5987240, 6585964, 7056390, 8232455, 8980860, 9408520, 9878946, 13171928, 14112780, 16464910, 17961720, 19757892, 24697365, 28225560, 32929820, 39515784, 49394730, 65859640, 98789460, 197578920]

約数ペア:

[(1, 197578920), (2, 98789460), (3, 65859640), (4, 49394730), (5, 39515784), (6, 32929820), (7, 28225560), (8, 24697365), (10, 19757892), (11, 17961720), (12, 16464910), (14, 14112780), (15, 13171928), (20, 9878946), (21, 9408520), (22, 8980860), (24, 8232455), (28, 7056390), (30, 6585964), (33, 5987240), (35, 5645112), (40, 4939473), (42, 4704260), (44, 4490430), (55, 3592344), (56, 3528195), (60, 3292982), (66, 2993620), (70, 2822556), (77, 2565960), (84, 2352130), (88, 2245215), (105, 1881704), (110, 1796172), (120, 1646491), (132, 1496810), (140, 1411278), (154, 1282980), (165, 1197448), (168, 1176065), (210, 940852), (220, 898086), (231, 855320), (264, 748405), (280, 705639), (308, 641490), (330, 598724), (385, 513192), (420, 470426), (440, 449043), (462, 427660), (616, 320745), (660, 299362), (770, 256596), (840, 235213), (924, 213830), (1155, 171064), (1320, 149681), (1540, 128298), (1848, 106915), (2310, 85532), (3080, 64149), (4620, 42766), (9240, 21383)]