168164920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 479001600

約数和(自身を除く): 310836680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 769, 770, 781, 994, 1420, 1538, 1540, 1562, 1988, 2485, 2840, 3076, 3080, 3124, 3845, 3905, 3976, 4970, 5383, 5467, 6152, 6248, 7690, 7810, 8459, 9940, 10766, 10934, 15380, 15620, 16918, 19880, 21532, 21868, 26915, 27335, 30760, 31240, 33836, 42295, 43064, 43736, 53830, 54599, 54670, 59213, 67672, 84590, 107660, 109198, 109340, 118426, 169180, 215320, 218396, 218680, 236852, 272995, 296065, 338360, 382193, 436792, 473704, 545990, 592130, 600589, 764386, 1091980, 1184260, 1201178, 1528772, 1910965, 2183960, 2368520, 2402356, 3002945, 3057544, 3821930, 4204123, 4804712, 6005890, 7643860, 8408246, 12011780, 15287720, 16816492, 21020615, 24023560, 33632984, 42041230, 84082460, 168164920]

約数ペア:

[(1, 168164920), (2, 84082460), (4, 42041230), (5, 33632984), (7, 24023560), (8, 21020615), (10, 16816492), (11, 15287720), (14, 12011780), (20, 8408246), (22, 7643860), (28, 6005890), (35, 4804712), (40, 4204123), (44, 3821930), (55, 3057544), (56, 3002945), (70, 2402356), (71, 2368520), (77, 2183960), (88, 1910965), (110, 1528772), (140, 1201178), (142, 1184260), (154, 1091980), (220, 764386), (280, 600589), (284, 592130), (308, 545990), (355, 473704), (385, 436792), (440, 382193), (497, 338360), (568, 296065), (616, 272995), (710, 236852), (769, 218680), (770, 218396), (781, 215320), (994, 169180), (1420, 118426), (1538, 109340), (1540, 109198), (1562, 107660), (1988, 84590), (2485, 67672), (2840, 59213), (3076, 54670), (3080, 54599), (3124, 53830), (3845, 43736), (3905, 43064), (3976, 42295), (4970, 33836), (5383, 31240), (5467, 30760), (6152, 27335), (6248, 26915), (7690, 21868), (7810, 21532), (8459, 19880), (9940, 16918), (10766, 15620), (10934, 15380)]