18251280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25349}}^1$

素因数の和:25368

約数の個数: 60

約数和(自身を含む): 61296300

約数和(自身を除く): 43045020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25349, 50698, 76047, 101396, 126745, 152094, 202792, 228141, 253490, 304188, 380235, 405584, 456282, 506980, 608376, 760470, 912564, 1013960, 1140705, 1216752, 1520940, 1825128, 2027920, 2281410, 3041880, 3650256, 4562820, 6083760, 9125640, 18251280]

約数ペア:

[(1, 18251280), (2, 9125640), (3, 6083760), (4, 4562820), (5, 3650256), (6, 3041880), (8, 2281410), (9, 2027920), (10, 1825128), (12, 1520940), (15, 1216752), (16, 1140705), (18, 1013960), (20, 912564), (24, 760470), (30, 608376), (36, 506980), (40, 456282), (45, 405584), (48, 380235), (60, 304188), (72, 253490), (80, 228141), (90, 202792), (120, 152094), (144, 126745), (180, 101396), (240, 76047), (360, 50698), (720, 25349)]