81720432

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7993}}^1$

素因数の和:8078

約数の個数: 60

約数和(自身を含む): 231953904

約数和(自身を除く): 150233472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 7993, 10224, 15986, 23979, 31972, 47958, 63944, 71937, 95916, 127888, 143874, 191832, 287748, 383664, 567503, 575496, 1135006, 1150992, 1702509, 2270012, 3405018, 4540024, 5107527, 6810036, 9080048, 10215054, 13620072, 20430108, 27240144, 40860216, 81720432]

約数ペア:

[(1, 81720432), (2, 40860216), (3, 27240144), (4, 20430108), (6, 13620072), (8, 10215054), (9, 9080048), (12, 6810036), (16, 5107527), (18, 4540024), (24, 3405018), (36, 2270012), (48, 1702509), (71, 1150992), (72, 1135006), (142, 575496), (144, 567503), (213, 383664), (284, 287748), (426, 191832), (568, 143874), (639, 127888), (852, 95916), (1136, 71937), (1278, 63944), (1704, 47958), (2556, 31972), (3408, 23979), (5112, 15986), (7993, 10224)]