81618780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1360313}}^1$

素因数の和:1360325

約数の個数: 24

約数和(自身を含む): 228532752

約数和(自身を除く): 146913972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1360313, 2720626, 4080939, 5441252, 6801565, 8161878, 13603130, 16323756, 20404695, 27206260, 40809390, 81618780]

約数ペア:

[(1, 81618780), (2, 40809390), (3, 27206260), (4, 20404695), (5, 16323756), (6, 13603130), (10, 8161878), (12, 6801565), (15, 5441252), (20, 4080939), (30, 2720626), (60, 1360313)]