28857870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 80

約数和(自身を含む): 81021600

約数和(自身を除く): 52163730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 1035, 1242, 1549, 1863, 2070, 3098, 3105, 3726, 4647, 6210, 7745, 9294, 9315, 13941, 15490, 18630, 23235, 27882, 35627, 41823, 46470, 69705, 71254, 83646, 106881, 125469, 139410, 178135, 209115, 213762, 250938, 320643, 356270, 418230, 534405, 627345, 641286, 961929, 1068810, 1254690, 1603215, 1923858, 2885787, 3206430, 4809645, 5771574, 9619290, 14428935, 28857870]

約数ペア:

[(1, 28857870), (2, 14428935), (3, 9619290), (5, 5771574), (6, 4809645), (9, 3206430), (10, 2885787), (15, 1923858), (18, 1603215), (23, 1254690), (27, 1068810), (30, 961929), (45, 641286), (46, 627345), (54, 534405), (69, 418230), (81, 356270), (90, 320643), (115, 250938), (135, 213762), (138, 209115), (162, 178135), (207, 139410), (230, 125469), (270, 106881), (345, 83646), (405, 71254), (414, 69705), (621, 46470), (690, 41823), (810, 35627), (1035, 27882), (1242, 23235), (1549, 18630), (1863, 15490), (2070, 13941), (3098, 9315), (3105, 9294), (3726, 7745), (4647, 6210)]