72861984

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 230580000

約数和(自身を除く): 157718016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 208, 216, 234, 288, 312, 338, 351, 416, 432, 468, 499, 507, 624, 676, 702, 864, 936, 998, 1014, 1248, 1352, 1404, 1497, 1521, 1872, 1996, 2028, 2704, 2808, 2994, 3042, 3744, 3992, 4056, 4491, 4563, 5408, 5616, 5988, 6084, 6487, 7984, 8112, 8982, 9126, 11232, 11976, 12168, 12974, 13473, 15968, 16224, 17964, 18252, 19461, 23952, 24336, 25948, 26946, 35928, 36504, 38922, 47904, 48672, 51896, 53892, 58383, 71856, 73008, 77844, 84331, 103792, 107784, 116766, 143712, 146016, 155688, 168662, 175149, 207584, 215568, 233532, 252993, 311376, 337324, 350298, 431136, 467064, 505986, 622752, 674648, 700596, 758979, 934128, 1011972, 1349296, 1401192, 1517958, 1868256, 2023944, 2276937, 2698592, 2802384, 3035916, 4047888, 4553874, 5604768, 6071832, 8095776, 9107748, 12143664, 18215496, 24287328, 36430992, 72861984]

約数ペア:

[(1, 72861984), (2, 36430992), (3, 24287328), (4, 18215496), (6, 12143664), (8, 9107748), (9, 8095776), (12, 6071832), (13, 5604768), (16, 4553874), (18, 4047888), (24, 3035916), (26, 2802384), (27, 2698592), (32, 2276937), (36, 2023944), (39, 1868256), (48, 1517958), (52, 1401192), (54, 1349296), (72, 1011972), (78, 934128), (96, 758979), (104, 700596), (108, 674648), (117, 622752), (144, 505986), (156, 467064), (169, 431136), (208, 350298), (216, 337324), (234, 311376), (288, 252993), (312, 233532), (338, 215568), (351, 207584), (416, 175149), (432, 168662), (468, 155688), (499, 146016), (507, 143712), (624, 116766), (676, 107784), (702, 103792), (864, 84331), (936, 77844), (998, 73008), (1014, 71856), (1248, 58383), (1352, 53892), (1404, 51896), (1497, 48672), (1521, 47904), (1872, 38922), (1996, 36504), (2028, 35928), (2704, 26946), (2808, 25948), (2994, 24336), (3042, 23952), (3744, 19461), (3992, 18252), (4056, 17964), (4491, 16224), (4563, 15968), (5408, 13473), (5616, 12974), (5988, 12168), (6084, 11976), (6487, 11232), (7984, 9126), (8112, 8982)]