168403480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 451630080

約数和(自身を除く): 283226600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 172, 197, 215, 280, 284, 301, 344, 355, 394, 430, 497, 568, 602, 710, 788, 860, 985, 994, 1204, 1379, 1420, 1505, 1576, 1720, 1970, 1988, 2408, 2485, 2758, 2840, 3010, 3053, 3940, 3976, 4970, 5516, 6020, 6106, 6895, 7880, 8471, 9940, 11032, 12040, 12212, 13790, 13987, 15265, 16942, 19880, 21371, 24424, 27580, 27974, 30530, 33884, 42355, 42742, 55160, 55948, 59297, 61060, 67768, 69935, 84710, 85484, 97909, 106855, 111896, 118594, 122120, 139870, 169420, 170968, 195818, 213710, 237188, 279740, 296485, 338840, 391636, 427420, 474376, 489545, 559480, 592970, 601441, 783272, 854840, 979090, 1185940, 1202882, 1958180, 2371880, 2405764, 3007205, 3916360, 4210087, 4811528, 6014410, 8420174, 12028820, 16840348, 21050435, 24057640, 33680696, 42100870, 84201740, 168403480]

約数ペア:

[(1, 168403480), (2, 84201740), (4, 42100870), (5, 33680696), (7, 24057640), (8, 21050435), (10, 16840348), (14, 12028820), (20, 8420174), (28, 6014410), (35, 4811528), (40, 4210087), (43, 3916360), (56, 3007205), (70, 2405764), (71, 2371880), (86, 1958180), (140, 1202882), (142, 1185940), (172, 979090), (197, 854840), (215, 783272), (280, 601441), (284, 592970), (301, 559480), (344, 489545), (355, 474376), (394, 427420), (430, 391636), (497, 338840), (568, 296485), (602, 279740), (710, 237188), (788, 213710), (860, 195818), (985, 170968), (994, 169420), (1204, 139870), (1379, 122120), (1420, 118594), (1505, 111896), (1576, 106855), (1720, 97909), (1970, 85484), (1988, 84710), (2408, 69935), (2485, 67768), (2758, 61060), (2840, 59297), (3010, 55948), (3053, 55160), (3940, 42742), (3976, 42355), (4970, 33884), (5516, 30530), (6020, 27974), (6106, 27580), (6895, 24424), (7880, 21371), (8471, 19880), (9940, 16942), (11032, 15265), (12040, 13987), (12212, 13790)]