139308780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178601}}^1$

素因数の和:178626

約数の個数: 48

約数和(自身を含む): 420071904

約数和(自身を除く): 280763124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178601, 357202, 535803, 714404, 893005, 1071606, 1786010, 2143212, 2321813, 2679015, 3572020, 4643626, 5358030, 6965439, 9287252, 10716060, 11609065, 13930878, 23218130, 27861756, 34827195, 46436260, 69654390, 139308780]

約数ペア:

[(1, 139308780), (2, 69654390), (3, 46436260), (4, 34827195), (5, 27861756), (6, 23218130), (10, 13930878), (12, 11609065), (13, 10716060), (15, 9287252), (20, 6965439), (26, 5358030), (30, 4643626), (39, 3572020), (52, 2679015), (60, 2321813), (65, 2143212), (78, 1786010), (130, 1071606), (156, 893005), (195, 714404), (260, 535803), (390, 357202), (780, 178601)]