256863840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{535133}}^1$

素因数の和:535151

約数の個数: 48

約数和(自身を含む): 809122608

約数和(自身を除く): 552258768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 535133, 1070266, 1605399, 2140532, 2675665, 3210798, 4281064, 5351330, 6421596, 8026995, 8562128, 10702660, 12843192, 16053990, 17124256, 21405320, 25686384, 32107980, 42810640, 51372768, 64215960, 85621280, 128431920, 256863840]

約数ペア:

[(1, 256863840), (2, 128431920), (3, 85621280), (4, 64215960), (5, 51372768), (6, 42810640), (8, 32107980), (10, 25686384), (12, 21405320), (15, 17124256), (16, 16053990), (20, 12843192), (24, 10702660), (30, 8562128), (32, 8026995), (40, 6421596), (48, 5351330), (60, 4281064), (80, 3210798), (96, 2675665), (120, 2140532), (160, 1605399), (240, 1070266), (480, 535133)]