255753540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 216

約数和(自身を含む): 914239872

約数和(自身を除く): 658486332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 107, 126, 140, 147, 180, 196, 210, 214, 245, 252, 271, 294, 315, 321, 420, 428, 441, 490, 535, 542, 588, 630, 642, 735, 749, 813, 882, 963, 980, 1070, 1084, 1260, 1284, 1355, 1470, 1498, 1605, 1626, 1764, 1897, 1926, 2140, 2205, 2247, 2439, 2710, 2940, 2996, 3210, 3252, 3745, 3794, 3852, 4065, 4410, 4494, 4815, 4878, 5243, 5420, 5691, 6420, 6741, 7490, 7588, 8130, 8820, 8988, 9485, 9630, 9756, 10486, 11235, 11382, 12195, 13279, 13482, 14980, 15729, 16260, 17073, 18970, 19260, 20972, 22470, 22764, 24390, 26215, 26558, 26964, 28455, 28997, 31458, 33705, 34146, 37940, 39837, 44940, 47187, 48780, 52430, 53116, 56910, 57994, 62916, 66395, 67410, 68292, 78645, 79674, 85365, 86991, 94374, 104860, 113820, 115988, 119511, 132790, 134820, 144985, 157290, 159348, 170730, 173982, 188748, 199185, 202979, 235935, 239022, 260973, 265580, 289970, 314580, 341460, 347964, 398370, 405958, 434955, 471870, 478044, 521946, 579940, 597555, 608937, 796740, 811916, 869910, 943740, 1014895, 1043892, 1195110, 1217874, 1304865, 1420853, 1739820, 1826811, 2029790, 2390220, 2435748, 2609730, 2841706, 3044685, 3653622, 4059580, 4262559, 5219460, 5683412, 6089370, 7104265, 7307244, 8525118, 9134055, 12178740, 12787677, 14208530, 17050236, 18268110, 21312795, 25575354, 28417060, 36536220, 42625590, 51150708, 63938385, 85251180, 127876770, 255753540]

約数ペア:

[(1, 255753540), (2, 127876770), (3, 85251180), (4, 63938385), (5, 51150708), (6, 42625590), (7, 36536220), (9, 28417060), (10, 25575354), (12, 21312795), (14, 18268110), (15, 17050236), (18, 14208530), (20, 12787677), (21, 12178740), (28, 9134055), (30, 8525118), (35, 7307244), (36, 7104265), (42, 6089370), (45, 5683412), (49, 5219460), (60, 4262559), (63, 4059580), (70, 3653622), (84, 3044685), (90, 2841706), (98, 2609730), (105, 2435748), (107, 2390220), (126, 2029790), (140, 1826811), (147, 1739820), (180, 1420853), (196, 1304865), (210, 1217874), (214, 1195110), (245, 1043892), (252, 1014895), (271, 943740), (294, 869910), (315, 811916), (321, 796740), (420, 608937), (428, 597555), (441, 579940), (490, 521946), (535, 478044), (542, 471870), (588, 434955), (630, 405958), (642, 398370), (735, 347964), (749, 341460), (813, 314580), (882, 289970), (963, 265580), (980, 260973), (1070, 239022), (1084, 235935), (1260, 202979), (1284, 199185), (1355, 188748), (1470, 173982), (1498, 170730), (1605, 159348), (1626, 157290), (1764, 144985), (1897, 134820), (1926, 132790), (2140, 119511), (2205, 115988), (2247, 113820), (2439, 104860), (2710, 94374), (2940, 86991), (2996, 85365), (3210, 79674), (3252, 78645), (3745, 68292), (3794, 67410), (3852, 66395), (4065, 62916), (4410, 57994), (4494, 56910), (4815, 53116), (4878, 52430), (5243, 48780), (5420, 47187), (5691, 44940), (6420, 39837), (6741, 37940), (7490, 34146), (7588, 33705), (8130, 31458), (8820, 28997), (8988, 28455), (9485, 26964), (9630, 26558), (9756, 26215), (10486, 24390), (11235, 22764), (11382, 22470), (12195, 20972), (13279, 19260), (13482, 18970), (14980, 17073), (15729, 16260)]