1541000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 3818880

約数和(自身を除く): 2277880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 67, 92, 100, 115, 125, 134, 184, 200, 230, 250, 268, 335, 460, 500, 536, 575, 670, 920, 1000, 1150, 1340, 1541, 1675, 2300, 2680, 2875, 3082, 3350, 4600, 5750, 6164, 6700, 7705, 8375, 11500, 12328, 13400, 15410, 16750, 23000, 30820, 33500, 38525, 61640, 67000, 77050, 154100, 192625, 308200, 385250, 770500, 1541000]

約数ペア:

[(1, 1541000), (2, 770500), (4, 385250), (5, 308200), (8, 192625), (10, 154100), (20, 77050), (23, 67000), (25, 61640), (40, 38525), (46, 33500), (50, 30820), (67, 23000), (92, 16750), (100, 15410), (115, 13400), (125, 12328), (134, 11500), (184, 8375), (200, 7705), (230, 6700), (250, 6164), (268, 5750), (335, 4600), (460, 3350), (500, 3082), (536, 2875), (575, 2680), (670, 2300), (920, 1675), (1000, 1541), (1150, 1340)]