280288890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{148301}}^1$

素因数の和:148324

約数の個数: 64

約数和(自身を含む): 854219520

約数和(自身を除く): 573930630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 148301, 296602, 444903, 741505, 889806, 1038107, 1334709, 1483010, 2076214, 2224515, 2669418, 3114321, 4004127, 4449030, 5190535, 6228642, 6673545, 8008254, 9342963, 10381070, 13347090, 15571605, 18685926, 20020635, 28028889, 31143210, 40041270, 46714815, 56057778, 93429630, 140144445, 280288890]

約数ペア:

[(1, 280288890), (2, 140144445), (3, 93429630), (5, 56057778), (6, 46714815), (7, 40041270), (9, 31143210), (10, 28028889), (14, 20020635), (15, 18685926), (18, 15571605), (21, 13347090), (27, 10381070), (30, 9342963), (35, 8008254), (42, 6673545), (45, 6228642), (54, 5190535), (63, 4449030), (70, 4004127), (90, 3114321), (105, 2669418), (126, 2224515), (135, 2076214), (189, 1483010), (210, 1334709), (270, 1038107), (315, 889806), (378, 741505), (630, 444903), (945, 296602), (1890, 148301)]