81260730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1621}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 211787784

約数和(自身を除く): 130527054

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 557, 1114, 1621, 1671, 2785, 3242, 3342, 4863, 5013, 5570, 8105, 8355, 9726, 10026, 14589, 16210, 16710, 24315, 25065, 29178, 48630, 50130, 72945, 145890, 902897, 1805794, 2708691, 4514485, 5417382, 8126073, 9028970, 13543455, 16252146, 27086910, 40630365, 81260730]

約数ペア:

[(1, 81260730), (2, 40630365), (3, 27086910), (5, 16252146), (6, 13543455), (9, 9028970), (10, 8126073), (15, 5417382), (18, 4514485), (30, 2708691), (45, 1805794), (90, 902897), (557, 145890), (1114, 72945), (1621, 50130), (1671, 48630), (2785, 29178), (3242, 25065), (3342, 24315), (4863, 16710), (5013, 16210), (5570, 14589), (8105, 10026), (8355, 9726)]