1981628520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{170243}}^1$

素因数の和:170354

約数の個数: 64

約数和(自身を含む): 6006208320

約数和(自身を除く): 4024579800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 170243, 340486, 510729, 680972, 851215, 1021458, 1361944, 1702430, 2042916, 2553645, 3404860, 4085832, 5107290, 6809720, 10214580, 16513571, 20429160, 33027142, 49540713, 66054284, 82567855, 99081426, 132108568, 165135710, 198162852, 247703565, 330271420, 396325704, 495407130, 660542840, 990814260, 1981628520]

約数ペア:

[(1, 1981628520), (2, 990814260), (3, 660542840), (4, 495407130), (5, 396325704), (6, 330271420), (8, 247703565), (10, 198162852), (12, 165135710), (15, 132108568), (20, 99081426), (24, 82567855), (30, 66054284), (40, 49540713), (60, 33027142), (97, 20429160), (120, 16513571), (194, 10214580), (291, 6809720), (388, 5107290), (485, 4085832), (582, 3404860), (776, 2553645), (970, 2042916), (1164, 1702430), (1455, 1361944), (1940, 1021458), (2328, 851215), (2910, 680972), (3880, 510729), (5820, 340486), (11640, 170243)]