66551280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277297}}^1$

素因数の和:277313

約数の個数: 40

約数和(自身を含む): 206309712

約数和(自身を除く): 139758432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277297, 554594, 831891, 1109188, 1386485, 1663782, 2218376, 2772970, 3327564, 4159455, 4436752, 5545940, 6655128, 8318910, 11091880, 13310256, 16637820, 22183760, 33275640, 66551280]

約数ペア:

[(1, 66551280), (2, 33275640), (3, 22183760), (4, 16637820), (5, 13310256), (6, 11091880), (8, 8318910), (10, 6655128), (12, 5545940), (15, 4436752), (16, 4159455), (20, 3327564), (24, 2772970), (30, 2218376), (40, 1663782), (48, 1386485), (60, 1109188), (80, 831891), (120, 554594), (240, 277297)]