16905560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 43848000

約数和(自身を除く): 26942440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 349, 692, 698, 865, 1211, 1384, 1396, 1730, 1745, 2422, 2443, 2792, 3460, 3490, 4844, 4886, 6055, 6920, 6980, 9688, 9772, 12110, 12215, 13960, 19544, 24220, 24430, 48440, 48860, 60377, 97720, 120754, 241508, 301885, 422639, 483016, 603770, 845278, 1207540, 1690556, 2113195, 2415080, 3381112, 4226390, 8452780, 16905560]

約数ペア:

[(1, 16905560), (2, 8452780), (4, 4226390), (5, 3381112), (7, 2415080), (8, 2113195), (10, 1690556), (14, 1207540), (20, 845278), (28, 603770), (35, 483016), (40, 422639), (56, 301885), (70, 241508), (140, 120754), (173, 97720), (280, 60377), (346, 48860), (349, 48440), (692, 24430), (698, 24220), (865, 19544), (1211, 13960), (1384, 12215), (1396, 12110), (1730, 9772), (1745, 9688), (2422, 6980), (2443, 6920), (2792, 6055), (3460, 4886), (3490, 4844)]