1558980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2887}}^1$

素因数の和:2905

約数の個数: 48

約数和(自身を含む): 4851840

約数和(自身を除く): 3292860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2887, 5774, 8661, 11548, 14435, 17322, 25983, 28870, 34644, 43305, 51966, 57740, 77949, 86610, 103932, 129915, 155898, 173220, 259830, 311796, 389745, 519660, 779490, 1558980]

約数ペア:

[(1, 1558980), (2, 779490), (3, 519660), (4, 389745), (5, 311796), (6, 259830), (9, 173220), (10, 155898), (12, 129915), (15, 103932), (18, 86610), (20, 77949), (27, 57740), (30, 51966), (36, 43305), (45, 34644), (54, 28870), (60, 25983), (90, 17322), (108, 14435), (135, 11548), (180, 8661), (270, 5774), (540, 2887)]