38928780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19661}}^1$

素因数の和:19687

約数の個数: 72

約数和(自身を含む): 128825424

約数和(自身を除く): 89896644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19661, 39322, 58983, 78644, 98305, 117966, 176949, 196610, 216271, 235932, 294915, 353898, 393220, 432542, 589830, 648813, 707796, 865084, 884745, 1081355, 1179660, 1297626, 1769490, 1946439, 2162710, 2595252, 3244065, 3538980, 3892878, 4325420, 6488130, 7785756, 9732195, 12976260, 19464390, 38928780]

約数ペア:

[(1, 38928780), (2, 19464390), (3, 12976260), (4, 9732195), (5, 7785756), (6, 6488130), (9, 4325420), (10, 3892878), (11, 3538980), (12, 3244065), (15, 2595252), (18, 2162710), (20, 1946439), (22, 1769490), (30, 1297626), (33, 1179660), (36, 1081355), (44, 884745), (45, 865084), (55, 707796), (60, 648813), (66, 589830), (90, 432542), (99, 393220), (110, 353898), (132, 294915), (165, 235932), (180, 216271), (198, 196610), (220, 176949), (330, 117966), (396, 98305), (495, 78644), (660, 58983), (990, 39322), (1980, 19661)]