278880080

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{5743}}^1$

素因数の和:6363

約数の個数: 40

約数和(自身を含む): 649577472

約数和(自身を除く): 370697392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 2428, 3035, 4856, 5743, 6070, 9712, 11486, 12140, 22972, 24280, 28715, 45944, 48560, 57430, 91888, 114860, 229720, 459440, 3486001, 6972002, 13944004, 17430005, 27888008, 34860010, 55776016, 69720020, 139440040, 278880080]

約数ペア:

[(1, 278880080), (2, 139440040), (4, 69720020), (5, 55776016), (8, 34860010), (10, 27888008), (16, 17430005), (20, 13944004), (40, 6972002), (80, 3486001), (607, 459440), (1214, 229720), (2428, 114860), (3035, 91888), (4856, 57430), (5743, 48560), (6070, 45944), (9712, 28715), (11486, 24280), (12140, 22972)]