198991080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61417}}^1$

素因数の和:61440

約数の個数: 80

約数和(自身を含む): 668842020

約数和(自身を除く): 469850940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 61417, 122834, 184251, 245668, 307085, 368502, 491336, 552753, 614170, 737004, 921255, 1105506, 1228340, 1474008, 1658259, 1842510, 2211012, 2456680, 2763765, 3316518, 3685020, 4422024, 4974777, 5527530, 6633036, 7370040, 8291295, 9949554, 11055060, 13266072, 16582590, 19899108, 22110120, 24873885, 33165180, 39798216, 49747770, 66330360, 99495540, 198991080]

約数ペア:

[(1, 198991080), (2, 99495540), (3, 66330360), (4, 49747770), (5, 39798216), (6, 33165180), (8, 24873885), (9, 22110120), (10, 19899108), (12, 16582590), (15, 13266072), (18, 11055060), (20, 9949554), (24, 8291295), (27, 7370040), (30, 6633036), (36, 5527530), (40, 4974777), (45, 4422024), (54, 3685020), (60, 3316518), (72, 2763765), (81, 2456680), (90, 2211012), (108, 1842510), (120, 1658259), (135, 1474008), (162, 1228340), (180, 1105506), (216, 921255), (270, 737004), (324, 614170), (360, 552753), (405, 491336), (540, 368502), (648, 307085), (810, 245668), (1080, 184251), (1620, 122834), (3240, 61417)]