15438620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 34422528

約数和(自身を除く): 18983908

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 673, 740, 1147, 1346, 2294, 2692, 3365, 4588, 5735, 6730, 11470, 13460, 20863, 22940, 24901, 41726, 49802, 83452, 99604, 104315, 124505, 208630, 249010, 417260, 498020, 771931, 1543862, 3087724, 3859655, 7719310, 15438620]

約数ペア:

[(1, 15438620), (2, 7719310), (4, 3859655), (5, 3087724), (10, 1543862), (20, 771931), (31, 498020), (37, 417260), (62, 249010), (74, 208630), (124, 124505), (148, 104315), (155, 99604), (185, 83452), (310, 49802), (370, 41726), (620, 24901), (673, 22940), (740, 20863), (1147, 13460), (1346, 11470), (2294, 6730), (2692, 5735), (3365, 4588)]