731456820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19259}}^1$

素因数の和:19485

約数の個数: 72

約数和(自身を含む): 2229383520

約数和(自身を除く): 1497926700

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, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 19259, 37980, 38518, 57777, 77036, 96295, 115554, 173331, 192590, 231108, 288885, 346662, 385180, 577770, 693324, 866655, 1155540, 1733310, 3466620, 4063649, 8127298, 12190947, 16254596, 20318245, 24381894, 36572841, 40636490, 48763788, 60954735, 73145682, 81272980, 121909470, 146291364, 182864205, 243818940, 365728410, 731456820]

約数ペア:

[(1, 731456820), (2, 365728410), (3, 243818940), (4, 182864205), (5, 146291364), (6, 121909470), (9, 81272980), (10, 73145682), (12, 60954735), (15, 48763788), (18, 40636490), (20, 36572841), (30, 24381894), (36, 20318245), (45, 16254596), (60, 12190947), (90, 8127298), (180, 4063649), (211, 3466620), (422, 1733310), (633, 1155540), (844, 866655), (1055, 693324), (1266, 577770), (1899, 385180), (2110, 346662), (2532, 288885), (3165, 231108), (3798, 192590), (4220, 173331), (6330, 115554), (7596, 96295), (9495, 77036), (12660, 57777), (18990, 38518), (19259, 37980)]