78921360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 180

約数和(自身を含む): 308454588

約数和(自身を除く): 229533228

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2237, 2352, 2520, 2940, 3528, 3920, 4410, 4474, 5040, 5880, 6711, 7056, 8820, 8948, 11185, 11760, 13422, 15659, 17640, 17896, 20133, 22370, 26844, 31318, 33555, 35280, 35792, 40266, 44740, 46977, 53688, 62636, 67110, 78295, 80532, 89480, 93954, 100665, 107376, 109613, 125272, 134220, 140931, 156590, 161064, 178960, 187908, 201330, 219226, 234885, 250544, 268440, 281862, 313180, 322128, 328839, 375816, 402660, 438452, 469770, 536880, 548065, 563724, 626360, 657678, 704655, 751632, 805320, 876904, 939540, 986517, 1096130, 1127448, 1252720, 1315356, 1409310, 1610640, 1644195, 1753808, 1879080, 1973034, 2192260, 2254896, 2630712, 2818620, 3288390, 3758160, 3946068, 4384520, 4932585, 5261424, 5637240, 6576780, 7892136, 8769040, 9865170, 11274480, 13153560, 15784272, 19730340, 26307120, 39460680, 78921360]

約数ペア:

[(1, 78921360), (2, 39460680), (3, 26307120), (4, 19730340), (5, 15784272), (6, 13153560), (7, 11274480), (8, 9865170), (9, 8769040), (10, 7892136), (12, 6576780), (14, 5637240), (15, 5261424), (16, 4932585), (18, 4384520), (20, 3946068), (21, 3758160), (24, 3288390), (28, 2818620), (30, 2630712), (35, 2254896), (36, 2192260), (40, 1973034), (42, 1879080), (45, 1753808), (48, 1644195), (49, 1610640), (56, 1409310), (60, 1315356), (63, 1252720), (70, 1127448), (72, 1096130), (80, 986517), (84, 939540), (90, 876904), (98, 805320), (105, 751632), (112, 704655), (120, 657678), (126, 626360), (140, 563724), (144, 548065), (147, 536880), (168, 469770), (180, 438452), (196, 402660), (210, 375816), (240, 328839), (245, 322128), (252, 313180), (280, 281862), (294, 268440), (315, 250544), (336, 234885), (360, 219226), (392, 201330), (420, 187908), (441, 178960), (490, 161064), (504, 156590), (560, 140931), (588, 134220), (630, 125272), (720, 109613), (735, 107376), (784, 100665), (840, 93954), (882, 89480), (980, 80532), (1008, 78295), (1176, 67110), (1260, 62636), (1470, 53688), (1680, 46977), (1764, 44740), (1960, 40266), (2205, 35792), (2237, 35280), (2352, 33555), (2520, 31318), (2940, 26844), (3528, 22370), (3920, 20133), (4410, 17896), (4474, 17640), (5040, 15659), (5880, 13422), (6711, 11760), (7056, 11185), (8820, 8948)]