204762180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 672005376

約数和(自身を除く): 467243196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 257, 271, 294, 420, 490, 514, 542, 588, 735, 771, 813, 980, 1028, 1084, 1285, 1355, 1470, 1542, 1626, 1799, 1897, 2570, 2710, 2940, 3084, 3252, 3598, 3794, 3855, 4065, 5140, 5397, 5420, 5691, 7196, 7588, 7710, 8130, 8995, 9485, 10794, 11382, 12593, 13279, 15420, 16260, 17990, 18970, 21588, 22764, 25186, 26558, 26985, 28455, 35980, 37779, 37940, 39837, 50372, 53116, 53970, 56910, 62965, 66395, 69647, 75558, 79674, 107940, 113820, 125930, 132790, 139294, 151116, 159348, 188895, 199185, 208941, 251860, 265580, 278588, 348235, 377790, 398370, 417882, 487529, 696470, 755580, 796740, 835764, 975058, 1044705, 1392940, 1462587, 1950116, 2089410, 2437645, 2925174, 3412703, 4178820, 4875290, 5850348, 6825406, 7312935, 9750580, 10238109, 13650812, 14625870, 17063515, 20476218, 29251740, 34127030, 40952436, 51190545, 68254060, 102381090, 204762180]

約数ペア:

[(1, 204762180), (2, 102381090), (3, 68254060), (4, 51190545), (5, 40952436), (6, 34127030), (7, 29251740), (10, 20476218), (12, 17063515), (14, 14625870), (15, 13650812), (20, 10238109), (21, 9750580), (28, 7312935), (30, 6825406), (35, 5850348), (42, 4875290), (49, 4178820), (60, 3412703), (70, 2925174), (84, 2437645), (98, 2089410), (105, 1950116), (140, 1462587), (147, 1392940), (196, 1044705), (210, 975058), (245, 835764), (257, 796740), (271, 755580), (294, 696470), (420, 487529), (490, 417882), (514, 398370), (542, 377790), (588, 348235), (735, 278588), (771, 265580), (813, 251860), (980, 208941), (1028, 199185), (1084, 188895), (1285, 159348), (1355, 151116), (1470, 139294), (1542, 132790), (1626, 125930), (1799, 113820), (1897, 107940), (2570, 79674), (2710, 75558), (2940, 69647), (3084, 66395), (3252, 62965), (3598, 56910), (3794, 53970), (3855, 53116), (4065, 50372), (5140, 39837), (5397, 37940), (5420, 37779), (5691, 35980), (7196, 28455), (7588, 26985), (7710, 26558), (8130, 25186), (8995, 22764), (9485, 21588), (10794, 18970), (11382, 17990), (12593, 16260), (13279, 15420)]