30871920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 96243840

約数和(自身を除く): 65371920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 419, 614, 838, 921, 1228, 1257, 1535, 1676, 1842, 2095, 2456, 2514, 3070, 3352, 3684, 4190, 4605, 4912, 5028, 6140, 6285, 6704, 7368, 8380, 9210, 10056, 12280, 12570, 14736, 16760, 18420, 20112, 24560, 25140, 33520, 36840, 50280, 73680, 100560, 128633, 257266, 385899, 514532, 643165, 771798, 1029064, 1286330, 1543596, 1929495, 2058128, 2572660, 3087192, 3858990, 5145320, 6174384, 7717980, 10290640, 15435960, 30871920]

約数ペア:

[(1, 30871920), (2, 15435960), (3, 10290640), (4, 7717980), (5, 6174384), (6, 5145320), (8, 3858990), (10, 3087192), (12, 2572660), (15, 2058128), (16, 1929495), (20, 1543596), (24, 1286330), (30, 1029064), (40, 771798), (48, 643165), (60, 514532), (80, 385899), (120, 257266), (240, 128633), (307, 100560), (419, 73680), (614, 50280), (838, 36840), (921, 33520), (1228, 25140), (1257, 24560), (1535, 20112), (1676, 18420), (1842, 16760), (2095, 14736), (2456, 12570), (2514, 12280), (3070, 10056), (3352, 9210), (3684, 8380), (4190, 7368), (4605, 6704), (4912, 6285), (5028, 6140)]