42888780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21661}}^1$

素因数の和:21687

約数の個数: 72

約数和(自身を含む): 141929424

約数和(自身を除く): 99040644

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, 21661, 43322, 64983, 86644, 108305, 129966, 194949, 216610, 238271, 259932, 324915, 389898, 433220, 476542, 649830, 714813, 779796, 953084, 974745, 1191355, 1299660, 1429626, 1949490, 2144439, 2382710, 2859252, 3574065, 3898980, 4288878, 4765420, 7148130, 8577756, 10722195, 14296260, 21444390, 42888780]

約数ペア:

[(1, 42888780), (2, 21444390), (3, 14296260), (4, 10722195), (5, 8577756), (6, 7148130), (9, 4765420), (10, 4288878), (11, 3898980), (12, 3574065), (15, 2859252), (18, 2382710), (20, 2144439), (22, 1949490), (30, 1429626), (33, 1299660), (36, 1191355), (44, 974745), (45, 953084), (55, 779796), (60, 714813), (66, 649830), (90, 476542), (99, 433220), (110, 389898), (132, 324915), (165, 259932), (180, 238271), (198, 216610), (220, 194949), (330, 129966), (396, 108305), (495, 86644), (660, 64983), (990, 43322), (1980, 21661)]