408115120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 160

約数和(自身を含む): 1124928000

約数和(自身を除く): 716812880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 107, 112, 139, 140, 196, 214, 245, 278, 280, 343, 392, 428, 490, 535, 556, 560, 686, 695, 749, 784, 856, 973, 980, 1070, 1112, 1372, 1390, 1498, 1712, 1715, 1946, 1960, 2140, 2224, 2744, 2780, 2996, 3430, 3745, 3892, 3920, 4280, 4865, 5243, 5488, 5560, 5992, 6811, 6860, 7490, 7784, 8560, 9730, 10486, 11120, 11984, 13622, 13720, 14873, 14980, 15568, 19460, 20972, 26215, 27244, 27440, 29746, 29960, 34055, 36701, 38920, 41944, 47677, 52430, 54488, 59492, 59920, 68110, 73402, 74365, 77840, 83888, 95354, 104111, 104860, 108976, 118984, 136220, 146804, 148730, 183505, 190708, 208222, 209720, 237968, 238385, 272440, 293608, 297460, 367010, 381416, 416444, 419440, 476770, 520555, 544880, 587216, 594920, 728777, 734020, 762832, 832888, 953540, 1041110, 1189840, 1457554, 1468040, 1665776, 1907080, 2082220, 2915108, 2936080, 3643885, 3814160, 4164440, 5101439, 5830216, 7287770, 8328880, 10202878, 11660432, 14575540, 20405756, 25507195, 29151080, 40811512, 51014390, 58302160, 81623024, 102028780, 204057560, 408115120]

約数ペア:

[(1, 408115120), (2, 204057560), (4, 102028780), (5, 81623024), (7, 58302160), (8, 51014390), (10, 40811512), (14, 29151080), (16, 25507195), (20, 20405756), (28, 14575540), (35, 11660432), (40, 10202878), (49, 8328880), (56, 7287770), (70, 5830216), (80, 5101439), (98, 4164440), (107, 3814160), (112, 3643885), (139, 2936080), (140, 2915108), (196, 2082220), (214, 1907080), (245, 1665776), (278, 1468040), (280, 1457554), (343, 1189840), (392, 1041110), (428, 953540), (490, 832888), (535, 762832), (556, 734020), (560, 728777), (686, 594920), (695, 587216), (749, 544880), (784, 520555), (856, 476770), (973, 419440), (980, 416444), (1070, 381416), (1112, 367010), (1372, 297460), (1390, 293608), (1498, 272440), (1712, 238385), (1715, 237968), (1946, 209720), (1960, 208222), (2140, 190708), (2224, 183505), (2744, 148730), (2780, 146804), (2996, 136220), (3430, 118984), (3745, 108976), (3892, 104860), (3920, 104111), (4280, 95354), (4865, 83888), (5243, 77840), (5488, 74365), (5560, 73402), (5992, 68110), (6811, 59920), (6860, 59492), (7490, 54488), (7784, 52430), (8560, 47677), (9730, 41944), (10486, 38920), (11120, 36701), (11984, 34055), (13622, 29960), (13720, 29746), (14873, 27440), (14980, 27244), (15568, 26215), (19460, 20972)]