140908320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 216

約数和(自身を含む): 559635804

約数和(自身を除く): 418727484

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 1997, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 3994, 4410, 4704, 5040, 5880, 5991, 7056, 7840, 7988, 8820, 9985, 10080, 11760, 11982, 13979, 14112, 15976, 17640, 17973, 19970, 23520, 23964, 27958, 29955, 31952, 35280, 35946, 39940, 41937, 47928, 55916, 59910, 63904, 69895, 70560, 71892, 79880, 83874, 89865, 95856, 97853, 111832, 119820, 125811, 139790, 143784, 159760, 167748, 179730, 191712, 195706, 209685, 223664, 239640, 251622, 279580, 287568, 293559, 319520, 335496, 359460, 391412, 419370, 447328, 479280, 489265, 503244, 559160, 575136, 587118, 629055, 670992, 718920, 782824, 838740, 880677, 958560, 978530, 1006488, 1118320, 1174236, 1258110, 1341984, 1437840, 1467795, 1565648, 1677480, 1761354, 1957060, 2012976, 2236640, 2348472, 2516220, 2875680, 2935590, 3131296, 3354960, 3522708, 3914120, 4025952, 4403385, 4696944, 5032440, 5871180, 6709920, 7045416, 7828240, 8806770, 9393888, 10064880, 11742360, 14090832, 15656480, 17613540, 20129760, 23484720, 28181664, 35227080, 46969440, 70454160, 140908320]

約数ペア:

[(1, 140908320), (2, 70454160), (3, 46969440), (4, 35227080), (5, 28181664), (6, 23484720), (7, 20129760), (8, 17613540), (9, 15656480), (10, 14090832), (12, 11742360), (14, 10064880), (15, 9393888), (16, 8806770), (18, 7828240), (20, 7045416), (21, 6709920), (24, 5871180), (28, 5032440), (30, 4696944), (32, 4403385), (35, 4025952), (36, 3914120), (40, 3522708), (42, 3354960), (45, 3131296), (48, 2935590), (49, 2875680), (56, 2516220), (60, 2348472), (63, 2236640), (70, 2012976), (72, 1957060), (80, 1761354), (84, 1677480), (90, 1565648), (96, 1467795), (98, 1437840), (105, 1341984), (112, 1258110), (120, 1174236), (126, 1118320), (140, 1006488), (144, 978530), (147, 958560), (160, 880677), (168, 838740), (180, 782824), (196, 718920), (210, 670992), (224, 629055), (240, 587118), (245, 575136), (252, 559160), (280, 503244), (288, 489265), (294, 479280), (315, 447328), (336, 419370), (360, 391412), (392, 359460), (420, 335496), (441, 319520), (480, 293559), (490, 287568), (504, 279580), (560, 251622), (588, 239640), (630, 223664), (672, 209685), (720, 195706), (735, 191712), (784, 179730), (840, 167748), (882, 159760), (980, 143784), (1008, 139790), (1120, 125811), (1176, 119820), (1260, 111832), (1440, 97853), (1470, 95856), (1568, 89865), (1680, 83874), (1764, 79880), (1960, 71892), (1997, 70560), (2016, 69895), (2205, 63904), (2352, 59910), (2520, 55916), (2940, 47928), (3360, 41937), (3528, 39940), (3920, 35946), (3994, 35280), (4410, 31952), (4704, 29955), (5040, 27958), (5880, 23964), (5991, 23520), (7056, 19970), (7840, 17973), (7988, 17640), (8820, 15976), (9985, 14112), (10080, 13979), (11760, 11982)]