72891560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 115287640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 593, 878, 1186, 1756, 2195, 2372, 2965, 3073, 3512, 4151, 4390, 4744, 5930, 6146, 8302, 8780, 11860, 12292, 15365, 16604, 17560, 20755, 23720, 24584, 30730, 33208, 41510, 61460, 83020, 122920, 166040, 260327, 520654, 1041308, 1301635, 1822289, 2082616, 2603270, 3644578, 5206540, 7289156, 9111445, 10413080, 14578312, 18222890, 36445780, 72891560]

約数ペア:

[(1, 72891560), (2, 36445780), (4, 18222890), (5, 14578312), (7, 10413080), (8, 9111445), (10, 7289156), (14, 5206540), (20, 3644578), (28, 2603270), (35, 2082616), (40, 1822289), (56, 1301635), (70, 1041308), (140, 520654), (280, 260327), (439, 166040), (593, 122920), (878, 83020), (1186, 61460), (1756, 41510), (2195, 33208), (2372, 30730), (2965, 24584), (3073, 23720), (3512, 20755), (4151, 17560), (4390, 16604), (4744, 15365), (5930, 12292), (6146, 11860), (8302, 8780)]