164428320

素因数分解:

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

素因数の和:7023

約数の個数: 144

約数和(自身を含む): 602598528

約数和(自身を除く): 438170208

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, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 6991, 7840, 11760, 13982, 20973, 23520, 27964, 34955, 41946, 48937, 55928, 69910, 83892, 97874, 104865, 111856, 139820, 146811, 167784, 195748, 209730, 223712, 244685, 279640, 293622, 335568, 342559, 391496, 419460, 489370, 559280, 587244, 671136, 685118, 734055, 782992, 838920, 978740, 1027677, 1118560, 1174488, 1370236, 1468110, 1565984, 1677840, 1712795, 1957480, 2055354, 2348976, 2740472, 2936220, 3355680, 3425590, 3914960, 4110708, 4697952, 5138385, 5480944, 5872440, 6851180, 7829920, 8221416, 10276770, 10961888, 11744880, 13702360, 16442832, 20553540, 23489760, 27404720, 32885664, 41107080, 54809440, 82214160, 164428320]

約数ペア:

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