13681980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1980

約数の個数: 96

約数和(自身を含む): 45864000

約数和(自身を除く): 32182020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 1949, 2340, 3510, 3898, 5847, 7020, 7796, 9745, 11694, 17541, 19490, 23388, 25337, 29235, 35082, 38980, 50674, 52623, 58470, 70164, 76011, 87705, 101348, 105246, 116940, 126685, 152022, 175410, 210492, 228033, 253370, 263115, 304044, 350820, 380055, 456066, 506740, 526230, 684099, 760110, 912132, 1052460, 1140165, 1368198, 1520220, 2280330, 2736396, 3420495, 4560660, 6840990, 13681980]

約数ペア:

[(1, 13681980), (2, 6840990), (3, 4560660), (4, 3420495), (5, 2736396), (6, 2280330), (9, 1520220), (10, 1368198), (12, 1140165), (13, 1052460), (15, 912132), (18, 760110), (20, 684099), (26, 526230), (27, 506740), (30, 456066), (36, 380055), (39, 350820), (45, 304044), (52, 263115), (54, 253370), (60, 228033), (65, 210492), (78, 175410), (90, 152022), (108, 126685), (117, 116940), (130, 105246), (135, 101348), (156, 87705), (180, 76011), (195, 70164), (234, 58470), (260, 52623), (270, 50674), (351, 38980), (390, 35082), (468, 29235), (540, 25337), (585, 23388), (702, 19490), (780, 17541), (1170, 11694), (1404, 9745), (1755, 7796), (1949, 7020), (2340, 5847), (3510, 3898)]