243320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 691200

約数和(自身を除く): 447880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 770, 790, 869, 1106, 1540, 1580, 1738, 2212, 2765, 3080, 3160, 3476, 4345, 4424, 5530, 6083, 6952, 8690, 11060, 12166, 17380, 22120, 24332, 30415, 34760, 48664, 60830, 121660, 243320]

約数ペア:

[(1, 243320), (2, 121660), (4, 60830), (5, 48664), (7, 34760), (8, 30415), (10, 24332), (11, 22120), (14, 17380), (20, 12166), (22, 11060), (28, 8690), (35, 6952), (40, 6083), (44, 5530), (55, 4424), (56, 4345), (70, 3476), (77, 3160), (79, 3080), (88, 2765), (110, 2212), (140, 1738), (154, 1580), (158, 1540), (220, 1106), (280, 869), (308, 790), (316, 770), (385, 632), (395, 616), (440, 553)]