31879260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25301}}^1$

素因数の和:25323

約数の個数: 72

約数和(自身を含む): 110519136

約数和(自身を除く): 78639876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25301, 50602, 75903, 101204, 126505, 151806, 177107, 227709, 253010, 303612, 354214, 379515, 455418, 506020, 531321, 708428, 759030, 885535, 910836, 1062642, 1138545, 1518060, 1593963, 1771070, 2125284, 2277090, 2656605, 3187926, 3542140, 4554180, 5313210, 6375852, 7969815, 10626420, 15939630, 31879260]

約数ペア:

[(1, 31879260), (2, 15939630), (3, 10626420), (4, 7969815), (5, 6375852), (6, 5313210), (7, 4554180), (9, 3542140), (10, 3187926), (12, 2656605), (14, 2277090), (15, 2125284), (18, 1771070), (20, 1593963), (21, 1518060), (28, 1138545), (30, 1062642), (35, 910836), (36, 885535), (42, 759030), (45, 708428), (60, 531321), (63, 506020), (70, 455418), (84, 379515), (90, 354214), (105, 303612), (126, 253010), (140, 227709), (180, 177107), (210, 151806), (252, 126505), (315, 101204), (420, 75903), (630, 50602), (1260, 25301)]