328856640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7025

約数の個数: 168

約数和(自身を含む): 1214762112

約数和(自身を除く): 885905472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6720, 6991, 7840, 9408, 11760, 13982, 15680, 20973, 23520, 27964, 34955, 41946, 47040, 48937, 55928, 69910, 83892, 97874, 104865, 111856, 139820, 146811, 167784, 195748, 209730, 223712, 244685, 279640, 293622, 335568, 342559, 391496, 419460, 447424, 489370, 559280, 587244, 671136, 685118, 734055, 782992, 838920, 978740, 1027677, 1118560, 1174488, 1342272, 1370236, 1468110, 1565984, 1677840, 1712795, 1957480, 2055354, 2237120, 2348976, 2740472, 2936220, 3131968, 3355680, 3425590, 3914960, 4110708, 4697952, 5138385, 5480944, 5872440, 6711360, 6851180, 7829920, 8221416, 9395904, 10276770, 10961888, 11744880, 13702360, 15659840, 16442832, 20553540, 21923776, 23489760, 27404720, 32885664, 41107080, 46979520, 54809440, 65771328, 82214160, 109618880, 164428320, 328856640]

約数ペア:

[(1, 328856640), (2, 164428320), (3, 109618880), (4, 82214160), (5, 65771328), (6, 54809440), (7, 46979520), (8, 41107080), (10, 32885664), (12, 27404720), (14, 23489760), (15, 21923776), (16, 20553540), (20, 16442832), (21, 15659840), (24, 13702360), (28, 11744880), (30, 10961888), (32, 10276770), (35, 9395904), (40, 8221416), (42, 7829920), (48, 6851180), (49, 6711360), (56, 5872440), (60, 5480944), (64, 5138385), (70, 4697952), (80, 4110708), (84, 3914960), (96, 3425590), (98, 3355680), (105, 3131968), (112, 2936220), (120, 2740472), (140, 2348976), (147, 2237120), (160, 2055354), (168, 1957480), (192, 1712795), (196, 1677840), (210, 1565984), (224, 1468110), (240, 1370236), (245, 1342272), (280, 1174488), (294, 1118560), (320, 1027677), (336, 978740), (392, 838920), (420, 782992), (448, 734055), (480, 685118), (490, 671136), (560, 587244), (588, 559280), (672, 489370), (735, 447424), (784, 419460), (840, 391496), (960, 342559), (980, 335568), (1120, 293622), (1176, 279640), (1344, 244685), (1470, 223712), (1568, 209730), (1680, 195748), (1960, 167784), (2240, 146811), (2352, 139820), (2940, 111856), (3136, 104865), (3360, 97874), (3920, 83892), (4704, 69910), (5880, 55928), (6720, 48937), (6991, 47040), (7840, 41946), (9408, 34955), (11760, 27964), (13982, 23520), (15680, 20973)]