208980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 672672

約数和(自身を除く): 463692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 774, 810, 860, 972, 1161, 1215, 1290, 1548, 1620, 1935, 2322, 2430, 2580, 3483, 3870, 4644, 4860, 5805, 6966, 7740, 10449, 11610, 13932, 17415, 20898, 23220, 34830, 41796, 52245, 69660, 104490, 208980]

約数ペア:

[(1, 208980), (2, 104490), (3, 69660), (4, 52245), (5, 41796), (6, 34830), (9, 23220), (10, 20898), (12, 17415), (15, 13932), (18, 11610), (20, 10449), (27, 7740), (30, 6966), (36, 5805), (43, 4860), (45, 4644), (54, 3870), (60, 3483), (81, 2580), (86, 2430), (90, 2322), (108, 1935), (129, 1620), (135, 1548), (162, 1290), (172, 1215), (180, 1161), (215, 972), (243, 860), (258, 810), (270, 774), (324, 645), (387, 540), (405, 516), (430, 486)]