65216520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181157}}^1$

素因数の和:181174

約数の個数: 48

約数和(自身を含む): 211954860

約数和(自身を除く): 146738340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 181157, 362314, 543471, 724628, 905785, 1086942, 1449256, 1630413, 1811570, 2173884, 2717355, 3260826, 3623140, 4347768, 5434710, 6521652, 7246280, 8152065, 10869420, 13043304, 16304130, 21738840, 32608260, 65216520]

約数ペア:

[(1, 65216520), (2, 32608260), (3, 21738840), (4, 16304130), (5, 13043304), (6, 10869420), (8, 8152065), (9, 7246280), (10, 6521652), (12, 5434710), (15, 4347768), (18, 3623140), (20, 3260826), (24, 2717355), (30, 2173884), (36, 1811570), (40, 1630413), (45, 1449256), (60, 1086942), (72, 905785), (90, 724628), (120, 543471), (180, 362314), (360, 181157)]