30546580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^2$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 65367540

約数和(自身を除く): 34820960

約数列:

[1, 2, 4, 5, 10, 20, 89, 131, 178, 262, 356, 445, 524, 655, 890, 1310, 1780, 2620, 11659, 17161, 23318, 34322, 46636, 58295, 68644, 85805, 116590, 171610, 233180, 343220, 1527329, 3054658, 6109316, 7636645, 15273290, 30546580]

約数ペア:

[(1, 30546580), (2, 15273290), (4, 7636645), (5, 6109316), (10, 3054658), (20, 1527329), (89, 343220), (131, 233180), (178, 171610), (262, 116590), (356, 85805), (445, 68644), (524, 58295), (655, 46636), (890, 34322), (1310, 23318), (1780, 17161), (2620, 11659)]