1618260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 5179776

約数和(自身を除く): 3561516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3853, 7706, 11559, 15412, 19265, 23118, 26971, 38530, 46236, 53942, 57795, 77060, 80913, 107884, 115590, 134855, 161826, 231180, 269710, 323652, 404565, 539420, 809130, 1618260]

約数ペア:

[(1, 1618260), (2, 809130), (3, 539420), (4, 404565), (5, 323652), (6, 269710), (7, 231180), (10, 161826), (12, 134855), (14, 115590), (15, 107884), (20, 80913), (21, 77060), (28, 57795), (30, 53942), (35, 46236), (42, 38530), (60, 26971), (70, 23118), (84, 19265), (105, 15412), (140, 11559), (210, 7706), (420, 3853)]