161494380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{897191}}^1$

素因数の和:897206

約数の個数: 36

約数和(自身を含む): 489866832

約数和(自身を除く): 328372452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 897191, 1794382, 2691573, 3588764, 4485955, 5383146, 8074719, 8971910, 10766292, 13457865, 16149438, 17943820, 26915730, 32298876, 40373595, 53831460, 80747190, 161494380]

約数ペア:

[(1, 161494380), (2, 80747190), (3, 53831460), (4, 40373595), (5, 32298876), (6, 26915730), (9, 17943820), (10, 16149438), (12, 13457865), (15, 10766292), (18, 8971910), (20, 8074719), (30, 5383146), (36, 4485955), (45, 3588764), (60, 2691573), (90, 1794382), (180, 897191)]