304819020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{153949}}^1$

素因数の和:153975

約数の個数: 72

約数和(自身を含む): 1008680400

約数和(自身を除く): 703861380

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, 153949, 307898, 461847, 615796, 769745, 923694, 1385541, 1539490, 1693439, 1847388, 2309235, 2771082, 3078980, 3386878, 4618470, 5080317, 5542164, 6773756, 6927705, 8467195, 9236940, 10160634, 13855410, 15240951, 16934390, 20321268, 25401585, 27710820, 30481902, 33868780, 50803170, 60963804, 76204755, 101606340, 152409510, 304819020]

約数ペア:

[(1, 304819020), (2, 152409510), (3, 101606340), (4, 76204755), (5, 60963804), (6, 50803170), (9, 33868780), (10, 30481902), (11, 27710820), (12, 25401585), (15, 20321268), (18, 16934390), (20, 15240951), (22, 13855410), (30, 10160634), (33, 9236940), (36, 8467195), (44, 6927705), (45, 6773756), (55, 5542164), (60, 5080317), (66, 4618470), (90, 3386878), (99, 3078980), (110, 2771082), (132, 2309235), (165, 1847388), (180, 1693439), (198, 1539490), (220, 1385541), (330, 923694), (396, 769745), (495, 615796), (660, 461847), (990, 307898), (1980, 153949)]