77275920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321983}}^1$

素因数の和:321999

約数の個数: 40

約数和(自身を含む): 239556096

約数和(自身を除く): 162280176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321983, 643966, 965949, 1287932, 1609915, 1931898, 2575864, 3219830, 3863796, 4829745, 5151728, 6439660, 7727592, 9659490, 12879320, 15455184, 19318980, 25758640, 38637960, 77275920]

約数ペア:

[(1, 77275920), (2, 38637960), (3, 25758640), (4, 19318980), (5, 15455184), (6, 12879320), (8, 9659490), (10, 7727592), (12, 6439660), (15, 5151728), (16, 4829745), (20, 3863796), (24, 3219830), (30, 2575864), (40, 1931898), (48, 1609915), (60, 1287932), (80, 965949), (120, 643966), (240, 321983)]