78687160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 184406400

約数和(自身を除く): 105719240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 673, 740, 790, 1346, 1480, 1580, 2692, 2923, 3160, 3365, 5384, 5846, 6730, 11692, 13460, 14615, 23384, 24901, 26920, 29230, 49802, 53167, 58460, 99604, 106334, 116920, 124505, 199208, 212668, 249010, 265835, 425336, 498020, 531670, 996040, 1063340, 1967179, 2126680, 3934358, 7868716, 9835895, 15737432, 19671790, 39343580, 78687160]

約数ペア:

[(1, 78687160), (2, 39343580), (4, 19671790), (5, 15737432), (8, 9835895), (10, 7868716), (20, 3934358), (37, 2126680), (40, 1967179), (74, 1063340), (79, 996040), (148, 531670), (158, 498020), (185, 425336), (296, 265835), (316, 249010), (370, 212668), (395, 199208), (632, 124505), (673, 116920), (740, 106334), (790, 99604), (1346, 58460), (1480, 53167), (1580, 49802), (2692, 29230), (2923, 26920), (3160, 24901), (3365, 23384), (5384, 14615), (5846, 13460), (6730, 11692)]