15854340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 44735040

約数和(自身を除く): 28880700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1901, 2085, 2780, 3802, 4170, 5703, 7604, 8340, 9505, 11406, 19010, 22812, 28515, 38020, 57030, 114060, 264239, 528478, 792717, 1056956, 1321195, 1585434, 2642390, 3170868, 3963585, 5284780, 7927170, 15854340]

約数ペア:

[(1, 15854340), (2, 7927170), (3, 5284780), (4, 3963585), (5, 3170868), (6, 2642390), (10, 1585434), (12, 1321195), (15, 1056956), (20, 792717), (30, 528478), (60, 264239), (139, 114060), (278, 57030), (417, 38020), (556, 28515), (695, 22812), (834, 19010), (1390, 11406), (1668, 9505), (1901, 8340), (2085, 7604), (2780, 5703), (3802, 4170)]