8507240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 22844160

約数和(自身を除く): 14336920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1321, 1610, 2642, 3220, 5284, 6440, 6605, 9247, 10568, 13210, 18494, 26420, 30383, 36988, 46235, 52840, 60766, 73976, 92470, 121532, 151915, 184940, 212681, 243064, 303830, 369880, 425362, 607660, 850724, 1063405, 1215320, 1701448, 2126810, 4253620, 8507240]

約数ペア:

[(1, 8507240), (2, 4253620), (4, 2126810), (5, 1701448), (7, 1215320), (8, 1063405), (10, 850724), (14, 607660), (20, 425362), (23, 369880), (28, 303830), (35, 243064), (40, 212681), (46, 184940), (56, 151915), (70, 121532), (92, 92470), (115, 73976), (140, 60766), (161, 52840), (184, 46235), (230, 36988), (280, 30383), (322, 26420), (460, 18494), (644, 13210), (805, 10568), (920, 9247), (1288, 6605), (1321, 6440), (1610, 5284), (2642, 3220)]