55313720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17959}}^1$

素因数の和:17988

約数の個数: 64

約数和(自身を含む): 155174400

約数和(自身を除く): 99860680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 17959, 35918, 71836, 89795, 125713, 143672, 179590, 197549, 251426, 359180, 395098, 502852, 628565, 718360, 790196, 987745, 1005704, 1257130, 1382843, 1580392, 1975490, 2514260, 2765686, 3950980, 5028520, 5531372, 6914215, 7901960, 11062744, 13828430, 27656860, 55313720]

約数ペア:

[(1, 55313720), (2, 27656860), (4, 13828430), (5, 11062744), (7, 7901960), (8, 6914215), (10, 5531372), (11, 5028520), (14, 3950980), (20, 2765686), (22, 2514260), (28, 1975490), (35, 1580392), (40, 1382843), (44, 1257130), (55, 1005704), (56, 987745), (70, 790196), (77, 718360), (88, 628565), (110, 502852), (140, 395098), (154, 359180), (220, 251426), (280, 197549), (308, 179590), (385, 143672), (440, 125713), (616, 89795), (770, 71836), (1540, 35918), (3080, 17959)]