28072440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 80791560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 51, 54, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 139, 153, 165, 170, 180, 187, 198, 204, 216, 220, 255, 264, 270, 278, 297, 306, 330, 340, 360, 374, 396, 408, 417, 440, 459, 495, 510, 540, 556, 561, 594, 612, 660, 680, 695, 748, 765, 792, 834, 918, 935, 990, 1020, 1080, 1112, 1122, 1188, 1224, 1251, 1320, 1390, 1485, 1496, 1529, 1530, 1668, 1683, 1836, 1870, 1980, 2040, 2085, 2244, 2295, 2363, 2376, 2502, 2780, 2805, 2970, 3058, 3060, 3336, 3366, 3672, 3740, 3753, 3960, 4170, 4488, 4587, 4590, 4726, 5004, 5049, 5560, 5610, 5940, 6116, 6120, 6255, 6732, 7089, 7480, 7506, 7645, 8340, 8415, 9174, 9180, 9452, 10008, 10098, 11220, 11815, 11880, 12232, 12510, 13464, 13761, 14178, 15012, 15290, 16680, 16830, 18348, 18360, 18765, 18904, 20196, 21267, 22440, 22935, 23630, 25020, 25245, 25993, 27522, 28356, 30024, 30580, 33660, 35445, 36696, 37530, 40392, 41283, 42534, 45870, 47260, 50040, 50490, 51986, 55044, 56712, 61160, 63801, 67320, 68805, 70890, 75060, 77979, 82566, 85068, 91740, 94520, 100980, 103972, 106335, 110088, 127602, 129965, 137610, 141780, 150120, 155958, 165132, 170136, 183480, 201960, 206415, 207944, 212670, 233937, 255204, 259930, 275220, 283560, 311916, 319005, 330264, 389895, 412830, 425340, 467874, 510408, 519860, 550440, 623832, 638010, 701811, 779790, 825660, 850680, 935748, 1039720, 1169685, 1276020, 1403622, 1559580, 1651320, 1871496, 2339370, 2552040, 2807244, 3119160, 3509055, 4678740, 5614488, 7018110, 9357480, 14036220, 28072440]

約数ペア:

[(1, 28072440), (2, 14036220), (3, 9357480), (4, 7018110), (5, 5614488), (6, 4678740), (8, 3509055), (9, 3119160), (10, 2807244), (11, 2552040), (12, 2339370), (15, 1871496), (17, 1651320), (18, 1559580), (20, 1403622), (22, 1276020), (24, 1169685), (27, 1039720), (30, 935748), (33, 850680), (34, 825660), (36, 779790), (40, 701811), (44, 638010), (45, 623832), (51, 550440), (54, 519860), (55, 510408), (60, 467874), (66, 425340), (68, 412830), (72, 389895), (85, 330264), (88, 319005), (90, 311916), (99, 283560), (102, 275220), (108, 259930), (110, 255204), (120, 233937), (132, 212670), (135, 207944), (136, 206415), (139, 201960), (153, 183480), (165, 170136), (170, 165132), (180, 155958), (187, 150120), (198, 141780), (204, 137610), (216, 129965), (220, 127602), (255, 110088), (264, 106335), (270, 103972), (278, 100980), (297, 94520), (306, 91740), (330, 85068), (340, 82566), (360, 77979), (374, 75060), (396, 70890), (408, 68805), (417, 67320), (440, 63801), (459, 61160), (495, 56712), (510, 55044), (540, 51986), (556, 50490), (561, 50040), (594, 47260), (612, 45870), (660, 42534), (680, 41283), (695, 40392), (748, 37530), (765, 36696), (792, 35445), (834, 33660), (918, 30580), (935, 30024), (990, 28356), (1020, 27522), (1080, 25993), (1112, 25245), (1122, 25020), (1188, 23630), (1224, 22935), (1251, 22440), (1320, 21267), (1390, 20196), (1485, 18904), (1496, 18765), (1529, 18360), (1530, 18348), (1668, 16830), (1683, 16680), (1836, 15290), (1870, 15012), (1980, 14178), (2040, 13761), (2085, 13464), (2244, 12510), (2295, 12232), (2363, 11880), (2376, 11815), (2502, 11220), (2780, 10098), (2805, 10008), (2970, 9452), (3058, 9180), (3060, 9174), (3336, 8415), (3366, 8340), (3672, 7645), (3740, 7506), (3753, 7480), (3960, 7089), (4170, 6732), (4488, 6255), (4587, 6120), (4590, 6116), (4726, 5940), (5004, 5610), (5049, 5560)]