81726630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{12911}}^1$

素因数の和:13132

約数の個数: 32

約数和(自身を含む): 197088768

約数和(自身を除く): 115362138

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 6330, 12911, 25822, 38733, 64555, 77466, 129110, 193665, 387330, 2724221, 5448442, 8172663, 13621105, 16345326, 27242210, 40863315, 81726630]

約数ペア:

[(1, 81726630), (2, 40863315), (3, 27242210), (5, 16345326), (6, 13621105), (10, 8172663), (15, 5448442), (30, 2724221), (211, 387330), (422, 193665), (633, 129110), (1055, 77466), (1266, 64555), (2110, 38733), (3165, 25822), (6330, 12911)]