156872020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1511}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 342921600

約数和(自身を除く): 186049580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 895, 1511, 1790, 3022, 3580, 5191, 6044, 7555, 10382, 15110, 20764, 25955, 30220, 43819, 51910, 87638, 103820, 175276, 219095, 270469, 438190, 540938, 876380, 1081876, 1352345, 2704690, 5409380, 7843601, 15687202, 31374404, 39218005, 78436010, 156872020]

約数ペア:

[(1, 156872020), (2, 78436010), (4, 39218005), (5, 31374404), (10, 15687202), (20, 7843601), (29, 5409380), (58, 2704690), (116, 1352345), (145, 1081876), (179, 876380), (290, 540938), (358, 438190), (580, 270469), (716, 219095), (895, 175276), (1511, 103820), (1790, 87638), (3022, 51910), (3580, 43819), (5191, 30220), (6044, 25955), (7555, 20764), (10382, 15110)]