123740120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1231}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 195594280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1231, 1436, 1795, 2462, 2513, 2872, 3590, 4924, 5026, 6155, 7180, 8617, 9848, 10052, 12310, 12565, 14360, 17234, 20104, 24620, 25130, 34468, 43085, 49240, 50260, 68936, 86170, 100520, 172340, 344680, 441929, 883858, 1767716, 2209645, 3093503, 3535432, 4419290, 6187006, 8838580, 12374012, 15467515, 17677160, 24748024, 30935030, 61870060, 123740120]

約数ペア:

[(1, 123740120), (2, 61870060), (4, 30935030), (5, 24748024), (7, 17677160), (8, 15467515), (10, 12374012), (14, 8838580), (20, 6187006), (28, 4419290), (35, 3535432), (40, 3093503), (56, 2209645), (70, 1767716), (140, 883858), (280, 441929), (359, 344680), (718, 172340), (1231, 100520), (1436, 86170), (1795, 68936), (2462, 50260), (2513, 49240), (2872, 43085), (3590, 34468), (4924, 25130), (5026, 24620), (6155, 20104), (7180, 17234), (8617, 14360), (9848, 12565), (10052, 12310)]