30877240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 73762560

約数和(自身を除く): 42885320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 673, 740, 1147, 1240, 1346, 1480, 2294, 2692, 3365, 4588, 5384, 5735, 6730, 9176, 11470, 13460, 20863, 22940, 24901, 26920, 41726, 45880, 49802, 83452, 99604, 104315, 124505, 166904, 199208, 208630, 249010, 417260, 498020, 771931, 834520, 996040, 1543862, 3087724, 3859655, 6175448, 7719310, 15438620, 30877240]

約数ペア:

[(1, 30877240), (2, 15438620), (4, 7719310), (5, 6175448), (8, 3859655), (10, 3087724), (20, 1543862), (31, 996040), (37, 834520), (40, 771931), (62, 498020), (74, 417260), (124, 249010), (148, 208630), (155, 199208), (185, 166904), (248, 124505), (296, 104315), (310, 99604), (370, 83452), (620, 49802), (673, 45880), (740, 41726), (1147, 26920), (1240, 24901), (1346, 22940), (1480, 20863), (2294, 13460), (2692, 11470), (3365, 9176), (4588, 6730), (5384, 5735)]