280892520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{780257}}^1$

素因数の和:780274

約数の個数: 48

約数和(自身を含む): 912901860

約数和(自身を除く): 632009340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 780257, 1560514, 2340771, 3121028, 3901285, 4681542, 6242056, 7022313, 7802570, 9363084, 11703855, 14044626, 15605140, 18726168, 23407710, 28089252, 31210280, 35111565, 46815420, 56178504, 70223130, 93630840, 140446260, 280892520]

約数ペア:

[(1, 280892520), (2, 140446260), (3, 93630840), (4, 70223130), (5, 56178504), (6, 46815420), (8, 35111565), (9, 31210280), (10, 28089252), (12, 23407710), (15, 18726168), (18, 15605140), (20, 14044626), (24, 11703855), (30, 9363084), (36, 7802570), (40, 7022313), (45, 6242056), (60, 4681542), (72, 3901285), (90, 3121028), (120, 2340771), (180, 1560514), (360, 780257)]