221686560

素因数分解:

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

素因数の和:153970

約数の個数: 72

約数和(自身を含む): 756510300

約数和(自身を除く): 534823740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 153949, 307898, 461847, 615796, 769745, 923694, 1231592, 1385541, 1539490, 1847388, 2309235, 2463184, 2771082, 3078980, 3694776, 4618470, 4926368, 5542164, 6157960, 6927705, 7389552, 9236940, 11084328, 12315920, 13855410, 14779104, 18473880, 22168656, 24631840, 27710820, 36947760, 44337312, 55421640, 73895520, 110843280, 221686560]

約数ペア:

[(1, 221686560), (2, 110843280), (3, 73895520), (4, 55421640), (5, 44337312), (6, 36947760), (8, 27710820), (9, 24631840), (10, 22168656), (12, 18473880), (15, 14779104), (16, 13855410), (18, 12315920), (20, 11084328), (24, 9236940), (30, 7389552), (32, 6927705), (36, 6157960), (40, 5542164), (45, 4926368), (48, 4618470), (60, 3694776), (72, 3078980), (80, 2771082), (90, 2463184), (96, 2309235), (120, 1847388), (144, 1539490), (160, 1385541), (180, 1231592), (240, 923694), (288, 769745), (360, 615796), (480, 461847), (720, 307898), (1440, 153949)]