64528020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1699}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 196778400

約数和(自身を除く): 132250380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1699, 1899, 2110, 2532, 3165, 3398, 3798, 4220, 5097, 6330, 6796, 7596, 8495, 9495, 10194, 12660, 15291, 16990, 18990, 20388, 25485, 30582, 33980, 37980, 50970, 61164, 76455, 101940, 152910, 305820, 358489, 716978, 1075467, 1433956, 1792445, 2150934, 3226401, 3584890, 4301868, 5377335, 6452802, 7169780, 10754670, 12905604, 16132005, 21509340, 32264010, 64528020]

約数ペア:

[(1, 64528020), (2, 32264010), (3, 21509340), (4, 16132005), (5, 12905604), (6, 10754670), (9, 7169780), (10, 6452802), (12, 5377335), (15, 4301868), (18, 3584890), (20, 3226401), (30, 2150934), (36, 1792445), (45, 1433956), (60, 1075467), (90, 716978), (180, 358489), (211, 305820), (422, 152910), (633, 101940), (844, 76455), (1055, 61164), (1266, 50970), (1699, 37980), (1899, 33980), (2110, 30582), (2532, 25485), (3165, 20388), (3398, 18990), (3798, 16990), (4220, 15291), (5097, 12660), (6330, 10194), (6796, 9495), (7596, 8495)]