81988470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2011}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 220193280

約数和(自身を除く): 138204810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 755, 906, 1359, 1510, 2011, 2265, 2718, 4022, 4077, 4530, 6033, 6795, 8154, 10055, 12066, 13590, 18099, 20110, 20385, 30165, 36198, 40770, 54297, 60330, 90495, 108594, 180990, 271485, 303661, 542970, 607322, 910983, 1518305, 1821966, 2732949, 3036610, 4554915, 5465898, 8198847, 9109830, 13664745, 16397694, 27329490, 40994235, 81988470]

約数ペア:

[(1, 81988470), (2, 40994235), (3, 27329490), (5, 16397694), (6, 13664745), (9, 9109830), (10, 8198847), (15, 5465898), (18, 4554915), (27, 3036610), (30, 2732949), (45, 1821966), (54, 1518305), (90, 910983), (135, 607322), (151, 542970), (270, 303661), (302, 271485), (453, 180990), (755, 108594), (906, 90495), (1359, 60330), (1510, 54297), (2011, 40770), (2265, 36198), (2718, 30165), (4022, 20385), (4077, 20110), (4530, 18099), (6033, 13590), (6795, 12066), (8154, 10055)]