280642572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4621}}^1$

素因数の和:4879

約数の個数: 72

約数和(自身を含む): 814285472

約数和(自身を除く): 533642900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 482, 723, 964, 1446, 1687, 2169, 2892, 3374, 4338, 4621, 5061, 6748, 8676, 9242, 10122, 13863, 15183, 18484, 20244, 27726, 30366, 32347, 41589, 55452, 60732, 64694, 83178, 97041, 129388, 166356, 194082, 291123, 388164, 582246, 1113661, 1164492, 2227322, 3340983, 4454644, 6681966, 7795627, 10022949, 13363932, 15591254, 20045898, 23386881, 31182508, 40091796, 46773762, 70160643, 93547524, 140321286, 280642572]

約数ペア:

[(1, 280642572), (2, 140321286), (3, 93547524), (4, 70160643), (6, 46773762), (7, 40091796), (9, 31182508), (12, 23386881), (14, 20045898), (18, 15591254), (21, 13363932), (28, 10022949), (36, 7795627), (42, 6681966), (63, 4454644), (84, 3340983), (126, 2227322), (241, 1164492), (252, 1113661), (482, 582246), (723, 388164), (964, 291123), (1446, 194082), (1687, 166356), (2169, 129388), (2892, 97041), (3374, 83178), (4338, 64694), (4621, 60732), (5061, 55452), (6748, 41589), (8676, 32347), (9242, 30366), (10122, 27726), (13863, 20244), (15183, 18484)]