87521460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112207}}^1$

素因数の和:112232

約数の個数: 48

約数和(自身を含む): 263913216

約数和(自身を除く): 176391756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112207, 224414, 336621, 448828, 561035, 673242, 1122070, 1346484, 1458691, 1683105, 2244140, 2917382, 3366210, 4376073, 5834764, 6732420, 7293455, 8752146, 14586910, 17504292, 21880365, 29173820, 43760730, 87521460]

約数ペア:

[(1, 87521460), (2, 43760730), (3, 29173820), (4, 21880365), (5, 17504292), (6, 14586910), (10, 8752146), (12, 7293455), (13, 6732420), (15, 5834764), (20, 4376073), (26, 3366210), (30, 2917382), (39, 2244140), (52, 1683105), (60, 1458691), (65, 1346484), (78, 1122070), (130, 673242), (156, 561035), (195, 448828), (260, 336621), (390, 224414), (780, 112207)]