80901540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3539}}^1$

素因数の和:3681

約数の個数: 72

約数和(自身を含む): 247403520

約数和(自身を除く): 166501980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3539, 3810, 4572, 5715, 7078, 7620, 10617, 11430, 14156, 17695, 21234, 22860, 31851, 35390, 42468, 53085, 63702, 70780, 106170, 127404, 159255, 212340, 318510, 449453, 637020, 898906, 1348359, 1797812, 2247265, 2696718, 4045077, 4494530, 5393436, 6741795, 8090154, 8989060, 13483590, 16180308, 20225385, 26967180, 40450770, 80901540]

約数ペア:

[(1, 80901540), (2, 40450770), (3, 26967180), (4, 20225385), (5, 16180308), (6, 13483590), (9, 8989060), (10, 8090154), (12, 6741795), (15, 5393436), (18, 4494530), (20, 4045077), (30, 2696718), (36, 2247265), (45, 1797812), (60, 1348359), (90, 898906), (127, 637020), (180, 449453), (254, 318510), (381, 212340), (508, 159255), (635, 127404), (762, 106170), (1143, 70780), (1270, 63702), (1524, 53085), (1905, 42468), (2286, 35390), (2540, 31851), (3539, 22860), (3810, 21234), (4572, 17695), (5715, 14156), (7078, 11430), (7620, 10617)]