168811720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2383}}^1$

素因数の和:2435

約数の個数: 128

約数和(自身を含む): 494346240

約数和(自身を除く): 325534520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2383, 2530, 3080, 3220, 3542, 4766, 5060, 6440, 7084, 8855, 9532, 10120, 11915, 14168, 16681, 17710, 19064, 23830, 26213, 33362, 35420, 47660, 52426, 54809, 66724, 70840, 83405, 95320, 104852, 109618, 131065, 133448, 166810, 183491, 209704, 219236, 262130, 274045, 333620, 366982, 383663, 438472, 524260, 548090, 602899, 667240, 733964, 767326, 917455, 1048520, 1096180, 1205798, 1467928, 1534652, 1834910, 1918315, 2192360, 2411596, 3014495, 3069304, 3669820, 3836630, 4220293, 4823192, 6028990, 7339640, 7673260, 8440586, 12057980, 15346520, 16881172, 21101465, 24115960, 33762344, 42202930, 84405860, 168811720]

約数ペア:

[(1, 168811720), (2, 84405860), (4, 42202930), (5, 33762344), (7, 24115960), (8, 21101465), (10, 16881172), (11, 15346520), (14, 12057980), (20, 8440586), (22, 7673260), (23, 7339640), (28, 6028990), (35, 4823192), (40, 4220293), (44, 3836630), (46, 3669820), (55, 3069304), (56, 3014495), (70, 2411596), (77, 2192360), (88, 1918315), (92, 1834910), (110, 1534652), (115, 1467928), (140, 1205798), (154, 1096180), (161, 1048520), (184, 917455), (220, 767326), (230, 733964), (253, 667240), (280, 602899), (308, 548090), (322, 524260), (385, 438472), (440, 383663), (460, 366982), (506, 333620), (616, 274045), (644, 262130), (770, 219236), (805, 209704), (920, 183491), (1012, 166810), (1265, 133448), (1288, 131065), (1540, 109618), (1610, 104852), (1771, 95320), (2024, 83405), (2383, 70840), (2530, 66724), (3080, 54809), (3220, 52426), (3542, 47660), (4766, 35420), (5060, 33362), (6440, 26213), (7084, 23830), (8855, 19064), (9532, 17710), (10120, 16681), (11915, 14168)]