81238230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4987}}^1$

素因数の和:5181

約数の個数: 48

約数和(自身を含む): 212428944

約数和(自身を除く): 131190714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 4987, 5430, 8145, 9974, 14961, 16290, 24935, 29922, 44883, 49870, 74805, 89766, 149610, 224415, 448830, 902647, 1805294, 2707941, 4513235, 5415882, 8123823, 9026470, 13539705, 16247646, 27079410, 40619115, 81238230]

約数ペア:

[(1, 81238230), (2, 40619115), (3, 27079410), (5, 16247646), (6, 13539705), (9, 9026470), (10, 8123823), (15, 5415882), (18, 4513235), (30, 2707941), (45, 1805294), (90, 902647), (181, 448830), (362, 224415), (543, 149610), (905, 89766), (1086, 74805), (1629, 49870), (1810, 44883), (2715, 29922), (3258, 24935), (4987, 16290), (5430, 14961), (8145, 9974)]