1281514980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{577259}}^1$

素因数の和:577308

約数の個数: 48

約数和(自身を含む): 3685227840

約数和(自身を除く): 2403712860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 577259, 1154518, 1731777, 2309036, 2886295, 3463554, 5772590, 6927108, 8658885, 11545180, 17317770, 21358583, 34635540, 42717166, 64075749, 85434332, 106792915, 128151498, 213585830, 256302996, 320378745, 427171660, 640757490, 1281514980]

約数ペア:

[(1, 1281514980), (2, 640757490), (3, 427171660), (4, 320378745), (5, 256302996), (6, 213585830), (10, 128151498), (12, 106792915), (15, 85434332), (20, 64075749), (30, 42717166), (37, 34635540), (60, 21358583), (74, 17317770), (111, 11545180), (148, 8658885), (185, 6927108), (222, 5772590), (370, 3463554), (444, 2886295), (555, 2309036), (740, 1731777), (1110, 1154518), (2220, 577259)]