18579780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3823}}^1$

素因数の和:3847

約数の個数: 72

約数和(自身を含む): 58461312

約数和(自身を除く): 39881532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3823, 4860, 7646, 11469, 15292, 19115, 22938, 34407, 38230, 45876, 57345, 68814, 76460, 103221, 114690, 137628, 172035, 206442, 229380, 309663, 344070, 412884, 516105, 619326, 688140, 928989, 1032210, 1238652, 1548315, 1857978, 2064420, 3096630, 3715956, 4644945, 6193260, 9289890, 18579780]

約数ペア:

[(1, 18579780), (2, 9289890), (3, 6193260), (4, 4644945), (5, 3715956), (6, 3096630), (9, 2064420), (10, 1857978), (12, 1548315), (15, 1238652), (18, 1032210), (20, 928989), (27, 688140), (30, 619326), (36, 516105), (45, 412884), (54, 344070), (60, 309663), (81, 229380), (90, 206442), (108, 172035), (135, 137628), (162, 114690), (180, 103221), (243, 76460), (270, 68814), (324, 57345), (405, 45876), (486, 38230), (540, 34407), (810, 22938), (972, 19115), (1215, 15292), (1620, 11469), (2430, 7646), (3823, 4860)]