31878432

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 72

約数和(自身を含む): 91990080

約数和(自身を除く): 60111648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1559, 1704, 2272, 2556, 3118, 3408, 4677, 5112, 6236, 6816, 9354, 10224, 12472, 14031, 18708, 20448, 24944, 28062, 37416, 49888, 56124, 74832, 110689, 112248, 149664, 221378, 224496, 332067, 442756, 448992, 664134, 885512, 996201, 1328268, 1771024, 1992402, 2656536, 3542048, 3984804, 5313072, 7969608, 10626144, 15939216, 31878432]

約数ペア:

[(1, 31878432), (2, 15939216), (3, 10626144), (4, 7969608), (6, 5313072), (8, 3984804), (9, 3542048), (12, 2656536), (16, 1992402), (18, 1771024), (24, 1328268), (32, 996201), (36, 885512), (48, 664134), (71, 448992), (72, 442756), (96, 332067), (142, 224496), (144, 221378), (213, 149664), (284, 112248), (288, 110689), (426, 74832), (568, 56124), (639, 49888), (852, 37416), (1136, 28062), (1278, 24944), (1559, 20448), (1704, 18708), (2272, 14031), (2556, 12472), (3118, 10224), (3408, 9354), (4677, 6816), (5112, 6236)]