81640590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{30577}}^1$

素因数の和:30676

約数の個数: 32

約数和(自身を含む): 198145440

約数和(自身を除く): 116504850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 30577, 61154, 91731, 152885, 183462, 305770, 458655, 917310, 2721353, 5442706, 8164059, 13606765, 16328118, 27213530, 40820295, 81640590]

約数ペア:

[(1, 81640590), (2, 40820295), (3, 27213530), (5, 16328118), (6, 13606765), (10, 8164059), (15, 5442706), (30, 2721353), (89, 917310), (178, 458655), (267, 305770), (445, 183462), (534, 152885), (890, 91731), (1335, 61154), (2670, 30577)]