19535520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40699}}^1$

素因数の和:40717

約数の個数: 48

約数和(自身を含む): 61538400

約数和(自身を除く): 42002880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40699, 81398, 122097, 162796, 203495, 244194, 325592, 406990, 488388, 610485, 651184, 813980, 976776, 1220970, 1302368, 1627960, 1953552, 2441940, 3255920, 3907104, 4883880, 6511840, 9767760, 19535520]

約数ペア:

[(1, 19535520), (2, 9767760), (3, 6511840), (4, 4883880), (5, 3907104), (6, 3255920), (8, 2441940), (10, 1953552), (12, 1627960), (15, 1302368), (16, 1220970), (20, 976776), (24, 813980), (30, 651184), (32, 610485), (40, 488388), (48, 406990), (60, 325592), (80, 244194), (96, 203495), (120, 162796), (160, 122097), (240, 81398), (480, 40699)]