12980340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 40458600

約数和(自身を除く): 27478260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 1949, 2220, 3330, 3898, 5847, 6660, 7796, 9745, 11694, 17541, 19490, 23388, 29235, 35082, 38980, 58470, 70164, 72113, 87705, 116940, 144226, 175410, 216339, 288452, 350820, 360565, 432678, 649017, 721130, 865356, 1081695, 1298034, 1442260, 2163390, 2596068, 3245085, 4326780, 6490170, 12980340]

約数ペア:

[(1, 12980340), (2, 6490170), (3, 4326780), (4, 3245085), (5, 2596068), (6, 2163390), (9, 1442260), (10, 1298034), (12, 1081695), (15, 865356), (18, 721130), (20, 649017), (30, 432678), (36, 360565), (37, 350820), (45, 288452), (60, 216339), (74, 175410), (90, 144226), (111, 116940), (148, 87705), (180, 72113), (185, 70164), (222, 58470), (333, 38980), (370, 35082), (444, 29235), (555, 23388), (666, 19490), (740, 17541), (1110, 11694), (1332, 9745), (1665, 7796), (1949, 6660), (2220, 5847), (3330, 3898)]