247485540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67619}}^1$

素因数の和:67692

約数の個数: 48

約数和(自身を含む): 704329920

約数和(自身を除く): 456844380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 67619, 135238, 202857, 270476, 338095, 405714, 676190, 811428, 1014285, 1352380, 2028570, 4057140, 4124759, 8249518, 12374277, 16499036, 20623795, 24748554, 41247590, 49497108, 61871385, 82495180, 123742770, 247485540]

約数ペア:

[(1, 247485540), (2, 123742770), (3, 82495180), (4, 61871385), (5, 49497108), (6, 41247590), (10, 24748554), (12, 20623795), (15, 16499036), (20, 12374277), (30, 8249518), (60, 4124759), (61, 4057140), (122, 2028570), (183, 1352380), (244, 1014285), (305, 811428), (366, 676190), (610, 405714), (732, 338095), (915, 270476), (1220, 202857), (1830, 135238), (3660, 67619)]