15904044

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 45864000

約数和(自身を除く): 29959956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 1999, 2652, 3978, 3998, 5997, 7956, 7996, 11994, 17991, 23988, 25987, 33983, 35982, 51974, 67966, 71964, 77961, 101949, 103948, 135932, 155922, 203898, 233883, 305847, 311844, 407796, 441779, 467766, 611694, 883558, 935532, 1223388, 1325337, 1767116, 2650674, 3976011, 5301348, 7952022, 15904044]

約数ペア:

[(1, 15904044), (2, 7952022), (3, 5301348), (4, 3976011), (6, 2650674), (9, 1767116), (12, 1325337), (13, 1223388), (17, 935532), (18, 883558), (26, 611694), (34, 467766), (36, 441779), (39, 407796), (51, 311844), (52, 305847), (68, 233883), (78, 203898), (102, 155922), (117, 135932), (153, 103948), (156, 101949), (204, 77961), (221, 71964), (234, 67966), (306, 51974), (442, 35982), (468, 33983), (612, 25987), (663, 23988), (884, 17991), (1326, 11994), (1989, 7996), (1999, 7956), (2652, 5997), (3978, 3998)]