78539280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327247}}^1$

素因数の和:327263

約数の個数: 40

約数和(自身を含む): 243472512

約数和(自身を除く): 164933232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327247, 654494, 981741, 1308988, 1636235, 1963482, 2617976, 3272470, 3926964, 4908705, 5235952, 6544940, 7853928, 9817410, 13089880, 15707856, 19634820, 26179760, 39269640, 78539280]

約数ペア:

[(1, 78539280), (2, 39269640), (3, 26179760), (4, 19634820), (5, 15707856), (6, 13089880), (8, 9817410), (10, 7853928), (12, 6544940), (15, 5235952), (16, 4908705), (20, 3926964), (24, 3272470), (30, 2617976), (40, 1963482), (48, 1636235), (60, 1308988), (80, 981741), (120, 654494), (240, 327247)]