211687560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28001}}^1$

素因数の和:28028

約数の個数: 128

約数和(自身を含む): 806457600

約数和(自身を除く): 594770040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28001, 56002, 84003, 112004, 140005, 168006, 196007, 224008, 252009, 280010, 336012, 392014, 420015, 504018, 560020, 588021, 672024, 756027, 784028, 840030, 980035, 1008036, 1120040, 1176042, 1260045, 1512054, 1568056, 1680060, 1764063, 1960070, 2016072, 2352084, 2520090, 2940105, 3024108, 3360120, 3528126, 3780135, 3920140, 4704168, 5040180, 5292189, 5880210, 6048216, 7056252, 7560270, 7840280, 8820315, 10080360, 10584378, 11760420, 14112504, 15120540, 17640630, 21168756, 23520840, 26460945, 30241080, 35281260, 42337512, 52921890, 70562520, 105843780, 211687560]

約数ペア:

[(1, 211687560), (2, 105843780), (3, 70562520), (4, 52921890), (5, 42337512), (6, 35281260), (7, 30241080), (8, 26460945), (9, 23520840), (10, 21168756), (12, 17640630), (14, 15120540), (15, 14112504), (18, 11760420), (20, 10584378), (21, 10080360), (24, 8820315), (27, 7840280), (28, 7560270), (30, 7056252), (35, 6048216), (36, 5880210), (40, 5292189), (42, 5040180), (45, 4704168), (54, 3920140), (56, 3780135), (60, 3528126), (63, 3360120), (70, 3024108), (72, 2940105), (84, 2520090), (90, 2352084), (105, 2016072), (108, 1960070), (120, 1764063), (126, 1680060), (135, 1568056), (140, 1512054), (168, 1260045), (180, 1176042), (189, 1120040), (210, 1008036), (216, 980035), (252, 840030), (270, 784028), (280, 756027), (315, 672024), (360, 588021), (378, 560020), (420, 504018), (504, 420015), (540, 392014), (630, 336012), (756, 280010), (840, 252009), (945, 224008), (1080, 196007), (1260, 168006), (1512, 140005), (1890, 112004), (2520, 84003), (3780, 56002), (7560, 28001)]