81144780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2657}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 227737440

約数和(自身を除く): 146592660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1527, 2036, 2545, 2657, 3054, 5090, 5314, 6108, 7635, 7971, 10180, 10628, 13285, 15270, 15942, 26570, 30540, 31884, 39855, 53140, 79710, 159420, 1352413, 2704826, 4057239, 5409652, 6762065, 8114478, 13524130, 16228956, 20286195, 27048260, 40572390, 81144780]

約数ペア:

[(1, 81144780), (2, 40572390), (3, 27048260), (4, 20286195), (5, 16228956), (6, 13524130), (10, 8114478), (12, 6762065), (15, 5409652), (20, 4057239), (30, 2704826), (60, 1352413), (509, 159420), (1018, 79710), (1527, 53140), (2036, 39855), (2545, 31884), (2657, 30540), (3054, 26570), (5090, 15942), (5314, 15270), (6108, 13285), (7635, 10628), (7971, 10180)]