10281780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^2$

素因数の和:493

約数の個数: 54

約数和(自身を含む): 31319106

約数和(自身を除く): 21037326

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 10755, 14340, 21510, 43020, 57121, 114242, 171363, 228484, 285605, 342726, 514089, 571210, 685452, 856815, 1028178, 1142420, 1713630, 2056356, 2570445, 3427260, 5140890, 10281780]

約数ペア:

[(1, 10281780), (2, 5140890), (3, 3427260), (4, 2570445), (5, 2056356), (6, 1713630), (9, 1142420), (10, 1028178), (12, 856815), (15, 685452), (18, 571210), (20, 514089), (30, 342726), (36, 285605), (45, 228484), (60, 171363), (90, 114242), (180, 57121), (239, 43020), (478, 21510), (717, 14340), (956, 10755), (1195, 8604), (1434, 7170), (2151, 4780), (2390, 4302), (2868, 3585)]