15939216

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1644

約数の個数: 60

約数和(自身を含む): 45264960

約数和(自身を除く): 29325744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1559, 1704, 2556, 3118, 3408, 4677, 5112, 6236, 9354, 10224, 12472, 14031, 18708, 24944, 28062, 37416, 56124, 74832, 110689, 112248, 221378, 224496, 332067, 442756, 664134, 885512, 996201, 1328268, 1771024, 1992402, 2656536, 3984804, 5313072, 7969608, 15939216]

約数ペア:

[(1, 15939216), (2, 7969608), (3, 5313072), (4, 3984804), (6, 2656536), (8, 1992402), (9, 1771024), (12, 1328268), (16, 996201), (18, 885512), (24, 664134), (36, 442756), (48, 332067), (71, 224496), (72, 221378), (142, 112248), (144, 110689), (213, 74832), (284, 56124), (426, 37416), (568, 28062), (639, 24944), (852, 18708), (1136, 14031), (1278, 12472), (1559, 10224), (1704, 9354), (2556, 6236), (3118, 5112), (3408, 4677)]