78724260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437357}}^1$

素因数の和:437372

約数の個数: 36

約数和(自身を含む): 238797468

約数和(自身を除く): 160073208

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437357, 874714, 1312071, 1749428, 2186785, 2624142, 3936213, 4373570, 5248284, 6560355, 7872426, 8747140, 13120710, 15744852, 19681065, 26241420, 39362130, 78724260]

約数ペア:

[(1, 78724260), (2, 39362130), (3, 26241420), (4, 19681065), (5, 15744852), (6, 13120710), (9, 8747140), (10, 7872426), (12, 6560355), (15, 5248284), (18, 4373570), (20, 3936213), (30, 2624142), (36, 2186785), (45, 1749428), (60, 1312071), (90, 874714), (180, 437357)]