18004860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4349}}^1$

素因数の和:4387

約数の個数: 72

約数和(自身を含む): 57002400

約数和(自身を除く): 38997540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4349, 8698, 13047, 17396, 21745, 26094, 39141, 43490, 52188, 65235, 78282, 86980, 100027, 130470, 156564, 195705, 200054, 260940, 300081, 391410, 400108, 500135, 600162, 782820, 900243, 1000270, 1200324, 1500405, 1800486, 2000540, 3000810, 3600972, 4501215, 6001620, 9002430, 18004860]

約数ペア:

[(1, 18004860), (2, 9002430), (3, 6001620), (4, 4501215), (5, 3600972), (6, 3000810), (9, 2000540), (10, 1800486), (12, 1500405), (15, 1200324), (18, 1000270), (20, 900243), (23, 782820), (30, 600162), (36, 500135), (45, 400108), (46, 391410), (60, 300081), (69, 260940), (90, 200054), (92, 195705), (115, 156564), (138, 130470), (180, 100027), (207, 86980), (230, 78282), (276, 65235), (345, 52188), (414, 43490), (460, 39141), (690, 26094), (828, 21745), (1035, 17396), (1380, 13047), (2070, 8698), (4140, 4349)]