128909520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179041}}^1$

素因数の和:179060

約数の個数: 60

約数和(自身を含む): 432923556

約数和(自身を除く): 304014036

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 179041, 358082, 537123, 716164, 895205, 1074246, 1432328, 1611369, 1790410, 2148492, 2685615, 2864656, 3222738, 3580820, 4296984, 5371230, 6445476, 7161640, 8056845, 8593968, 10742460, 12890952, 14323280, 16113690, 21484920, 25781904, 32227380, 42969840, 64454760, 128909520]

約数ペア:

[(1, 128909520), (2, 64454760), (3, 42969840), (4, 32227380), (5, 25781904), (6, 21484920), (8, 16113690), (9, 14323280), (10, 12890952), (12, 10742460), (15, 8593968), (16, 8056845), (18, 7161640), (20, 6445476), (24, 5371230), (30, 4296984), (36, 3580820), (40, 3222738), (45, 2864656), (48, 2685615), (60, 2148492), (72, 1790410), (80, 1611369), (90, 1432328), (120, 1074246), (144, 895205), (180, 716164), (240, 537123), (360, 358082), (720, 179041)]