15531720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 46854720

約数和(自身を除く): 31323000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 373, 694, 746, 1041, 1119, 1388, 1492, 1735, 1865, 2082, 2238, 2776, 2984, 3470, 3730, 4164, 4476, 5205, 5595, 6940, 7460, 8328, 8952, 10410, 11190, 13880, 14920, 20820, 22380, 41640, 44760, 129431, 258862, 388293, 517724, 647155, 776586, 1035448, 1294310, 1553172, 1941465, 2588620, 3106344, 3882930, 5177240, 7765860, 15531720]

約数ペア:

[(1, 15531720), (2, 7765860), (3, 5177240), (4, 3882930), (5, 3106344), (6, 2588620), (8, 1941465), (10, 1553172), (12, 1294310), (15, 1035448), (20, 776586), (24, 647155), (30, 517724), (40, 388293), (60, 258862), (120, 129431), (347, 44760), (373, 41640), (694, 22380), (746, 20820), (1041, 14920), (1119, 13880), (1388, 11190), (1492, 10410), (1735, 8952), (1865, 8328), (2082, 7460), (2238, 6940), (2776, 5595), (2984, 5205), (3470, 4476), (3730, 4164)]