128177560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14767}}^1$

素因数の和:14816

約数の個数: 64

約数和(自身を含む): 340254720

約数和(自身を除く): 212077160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 14767, 29534, 59068, 73835, 103369, 118136, 147670, 206738, 295340, 413476, 457777, 516845, 590680, 826952, 915554, 1033690, 1831108, 2067380, 2288885, 3204439, 3662216, 4134760, 4577770, 6408878, 9155540, 12817756, 16022195, 18311080, 25635512, 32044390, 64088780, 128177560]

約数ペア:

[(1, 128177560), (2, 64088780), (4, 32044390), (5, 25635512), (7, 18311080), (8, 16022195), (10, 12817756), (14, 9155540), (20, 6408878), (28, 4577770), (31, 4134760), (35, 3662216), (40, 3204439), (56, 2288885), (62, 2067380), (70, 1831108), (124, 1033690), (140, 915554), (155, 826952), (217, 590680), (248, 516845), (280, 457777), (310, 413476), (434, 295340), (620, 206738), (868, 147670), (1085, 118136), (1240, 103369), (1736, 73835), (2170, 59068), (4340, 29534), (8680, 14767)]