217499580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{44753}}^1$

素因数の和:44777

約数の個数: 72

約数和(自身を含む): 684199152

約数和(自身を除く): 466699572

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, 4860, 44753, 89506, 134259, 179012, 223765, 268518, 402777, 447530, 537036, 671295, 805554, 895060, 1208331, 1342590, 1611108, 2013885, 2416662, 2685180, 3624993, 4027770, 4833324, 6041655, 7249986, 8055540, 10874979, 12083310, 14499972, 18124965, 21749958, 24166620, 36249930, 43499916, 54374895, 72499860, 108749790, 217499580]

約数ペア:

[(1, 217499580), (2, 108749790), (3, 72499860), (4, 54374895), (5, 43499916), (6, 36249930), (9, 24166620), (10, 21749958), (12, 18124965), (15, 14499972), (18, 12083310), (20, 10874979), (27, 8055540), (30, 7249986), (36, 6041655), (45, 4833324), (54, 4027770), (60, 3624993), (81, 2685180), (90, 2416662), (108, 2013885), (135, 1611108), (162, 1342590), (180, 1208331), (243, 895060), (270, 805554), (324, 671295), (405, 537036), (486, 447530), (540, 402777), (810, 268518), (972, 223765), (1215, 179012), (1620, 134259), (2430, 89506), (4860, 44753)]